ERJ Open Research

Article	Citations
Benefits of pulmonary rehabilitation in COVID-19: a prospective observational cohort study	144
Type 2 inflammation in asthma and other airway diseases	98
Recovery from COVID-19: a sprint or marathon? 6-month follow-up data from online long COVID-19 support group members	82
Current strategies for managing chronic thromboembolic pulmonary hypertension: results of the worldwide prospective CTEPH Registry	80
Diagnosis of COVID-19 by exhaled breath analysis using gas chromatography–mass spectrometry	71
Prospective longitudinal evaluation of hospitalised COVID-19 survivors 3 and 12 months after discharge	68
Increased blood angiotensin converting enzyme 2 activity in critically ill COVID-19 patients	55
Descriptive analysis of long COVID sequelae identified in a multidisciplinary clinic serving hospitalised and non-hospitalised patients	49
Underestimation of COVID-19 mortality during the pandemic	47
Evaluation of a multicomponent grading system for obstructive sleep apnoea: the Baveno classification	44
Mortality and survival in idiopathic pulmonary fibrosis: a systematic review and meta-analysis	41
Epidemiology of interstitial lung diseases and their progressive-fibrosing behaviour in six European countries	38
Clinical characteristics, risk factors and outcomes in patients with severe COVID-19 registered in the International Severe Acute Respiratory and Emerging Infection Consortium WHO clinical characteris	38
INTREPID: single-versusmultiple-inhaler triple therapy for COPD in usual clinical practice	38
Radiological–pathological signatures of patients with COVID-19-related pneumomediastinum: is there a role for the Sonic hedgehog and Wnt5a pathways?	38
Increased circulating levels of angiotensin-(1–7) in severely ill COVID-19 patients	36
Breastfeeding and risk of childhood asthma: a systematic review and meta-analysis	35
Current and novel treatment options for obstructive sleep apnoea	35
Diaphragmatic motion recorded by M-mode ultrasonography: limits of normality	35
Characteristics and impact of exercise-induced laryngeal obstruction: an international perspective	34
Clinical and research priorities for children and young people with bronchiectasis: an international roadmap	34
Self-proning in COVID-19 patients on low-flow oxygen therapy: a cluster randomised controlled trial	33
Impact of COVID-19 on COPD and asthma admissions, and the pandemic from a patient's perspective	31
Prevalence, incidence and characteristics of chronic cough among adults from the Canadian Longitudinal Study on Aging	31
What matters to people with severe asthma? Exploring add-on asthma medication and outcomes of importance	30

Sex disparities in cystic fibrosis: review on the effect of female sex hormones on lung pathophysiology and outcomes	29
ROSE: radiology, obstruction, symptoms and exposure – a Delphi consensus definition of the association of COPD and bronchiectasis by the EMBARC Airways Working Group	29
International consensus on lung function testing during the COVID-19 pandemic and beyond	29
Prevalence, time trends and treatment practices of asthma in India: the Global Asthma Network study	28
Nicotine upregulates ACE2 expression and increases competence for SARS-CoV-2 in human pneumocytes	27
Predicting the benefits of type-2 targeted anti-inflammatory treatment with the prototype Oxford Asthma Attack Risk Scale (ORACLE)	27
Endobronchial ultrasound-guided transbronchial mediastinal cryobiopsy in the diagnosis of mediastinal lesions: safety, feasibility and diagnostic yield – experience in 50 cases	26
Alveolar macrophage transcriptomic profiling in COPD shows major lipid metabolism changes	26
A randomised trial of a web-based physical activity self-management intervention in COPD	26
The prevalence and burden of interstitial lung diseases in the USA	25
Predicting mortality during long-term follow-up in pulmonary arterial hypertension	24
Nontuberculous mycobacterial pulmonary disease: an integrated approach beyond antibiotics	24
Increased myofibroblasts in the small airways, and relationship to remodelling and functional changes in smokers and COPD patients: potential role of epithelial–mesenchymal transition	24
Is laryngeal hypersensitivity the basis of unexplained or refractory chronic cough?	24
Lumacaftor/ivacaftor changes the lung microbiome and metabolome in cystic fibrosis patients	23
The Living with Pulmonary Fibrosis questionnaire in progressive fibrosing interstitial lung disease	23
Bronchiolitis obliterans syndrome after lung or haematopoietic stem cell transplantation: current management and future directions	23
REINVENT: ERS International survey on REstrictive thoracic diseases IN long term home noninvasive VENTilation	22
Multidisciplinary care in chronic airway diseases: the Newcastle model	22
Prospective association between use of electronic cigarettes and use of conventional cigarettes: a systematic review and meta-analysis	22
Chronic infection by nontypeable Haemophilus influenzae fuels airway inflammation	22
Heparan sulfate mimetic fucoidan restores the endothelial glycocalyx and protects against dysfunction induced by serum of COVID-19 patients in the intensive care unit	21
The protective effect of SARS-CoV-2 antibodies in Scottish healthcare workers	21
Challenging the obesity paradox: extreme obesity and COPD mortality in the SUMMIT trial	21
Novel CFTR modulator combinations maximise rescue of G85E and N1303K in rectal organoids	21
Pulmonary function test and computed tomography features during follow-up after SARS, MERS and COVID-19: a systematic review and meta-analysis	21
Nutritional assessment in idiopathic pulmonary fibrosis: a prospective multicentre study	21
Factors for severe outcomes following SARS-CoV-2 infection in people with cystic fibrosis in Europe	21
CFTR modulator use and risk of nontuberculous mycobacteria positivity in cystic fibrosis, 2011–2018	20
The safety of cardioselective β1-blockers in asthma: literature review and search of global pharmacovigilance safety reports	20
Telemedicine and virtual respiratory care in the era of COVID-19	20
Body mass index and in-hospital mortality in patients with acute exacerbation of idiopathic pulmonary fibrosis	20
Antigen avoidance and outcome of nonfibrotic and fibrotic hypersensitivity pneumonitis	20
Prevalence of stress urinary incontinence in women presenting for evaluation of chronic cough	20
Anti-HSP47 siRNA lipid nanoparticle ND-L02-s0201 reverses interstitial pulmonary fibrosis in preclinical rat models	20
CiliarMove: new software for evaluating ciliary beat frequency helps find novel mutations by a Portuguese multidisciplinary team on primary ciliary dyskinesia	19
Endothelial dysfunction in COPD: a systematic review and meta-analysis of studies using different functional assessment methods	19
Type 2 diabetes risk in sarcoidosis patients untreated and treated with corticosteroids	19
Proteomics of serum extracellular vesicles identifies a novel COPD biomarker, fibulin-3 from elastic fibres	19
Severe pulmonary hypertension associated with lung disease is characterised by a loss of small pulmonary vessels on quantitative computed tomography	18
COVID-PCD: a participatory research study on the impact of COVID-19 in people with primary ciliary dyskinesia	18
Sarcopenia, systemic immune-inflammation index and all-cause mortality in middle-aged and older people with COPD and asthma: a population-based study	18
Early risk prediction in idiopathicversusconnective tissue disease-associated pulmonary arterial hypertension: call for a refined assessment	18
Prevalence, treatment and determinants of obstructive sleep apnoea and its symptoms in a population-based French cohort	18
Computed tomography total airway count predicts progression to COPD in at-risk smokers	18
Adaptive study design to assess effect of TRPV4 inhibition in patients with chronic cough	18
Limited recovery from post-acute sequelae of SARS-CoV-2 at 8 months in a prospective cohort	18
The role of bronchoscopy in patients with SARS-CoV-2 pneumonia	18
Respiratory syncytial virus-associated hospitalisation in children aged ≤5 years: a scoping review of literature from 2009 to 2021	18
A randomised trial of Mycobacterium w in critically ill patients with COVID-19: ARMY-1	17

Changes in pulmonary function and patient-reported outcomes during COVID-19 recovery: a longitudinal, prospective cohort study	17
The use of lung ultrasound in COVID-19	17
Home monitoring of physiology and symptoms to detect interstitial lung disease exacerbations and progression: a systematic review	17
Conservative management of COVID-19 associated hypoxaemia	17
Complete response to anti-interleukin-5 biologics in a real-life setting: results from the nationwide Danish Severe Asthma Register	17
Detection and diagnosis of large airway collapse: a systematic review	17
Longitudinal passive cough monitoring and its implications for detecting changes in clinical status	17
Central airway and peripheral lung structures in airway disease-dominant COPD	17
Lung cancer mortality in Europe and the USA between 2000 and 2017: an observational analysis	17
International BEAT-PCD consensus statement for infection prevention and control for primary ciliary dyskinesia in collaboration with ERN-LUNG PCD Core Network and patient representatives	17
Patients' experiences of asthma exacerbation and management: a qualitative study of severe asthma	17
The disease-specific clinical trial network for primary ciliary dyskinesia: PCD-CTN	17
Effect ofACE1polymorphism rs1799752 on protein levels of ACE2, the SARS-CoV-2 entry receptor, in alveolar lung epithelium	16
Worldwide experiences and opinions of healthcare providers on eHealth for patients with interstitial lung diseases in the COVID-19 era	16
Validation of the Swedevox registry of continuous positive airway pressure, long-term mechanical ventilator and long-term oxygen therapy	16
Study design of a randomised, placebo-controlled trial of nintedanib in children and adolescents with fibrosing interstitial lung disease	16
Respiratory symptoms and radiological findings in post-acute COVID-19 syndrome	16
Critical care outcomes in patients with pre-existing pulmonary hypertension: insights from the ASPIRE registry	16
Feasibility and clinical utility of ambulatory cough monitoring in an outpatient clinical setting: a real-world retrospective evaluation	16
Achromobacter xylosoxidansairway infection is associated with lung disease severity in children with cystic fibrosis	16
Lung function trajectory and biomarkers in the Tasmanian Longitudinal Health Study	15
Interstitial lung disease incidence and mortality in the UK and the European Union: an observational study, 2001–2017	15
A model for estimating the health economic impact of earlier diagnosis of chronic thromboembolic pulmonary hypertension	15
Lung cancer in patients with fibrosing interstitial lung diseases: an overview of current knowledge and challenges	15
Treatable traits in an English cohort: prevalence and predictors of future decline in lung function and quality of life in COPD	15
The interrelationship of chronic cough and depression: a prospective population-based study	15
Respiratory impedance measured using impulse oscillometry in a healthy urban population	15
Health service utilisation associated with chronic breathlessness: random population sample	15
Targeted therapy in eosinophilic chronic obstructive pulmonary disease	15
Vitamin D supplementation in childhood asthma: a systematic review and meta-analysis of randomised controlled trials	15
Assessment of recent evidence for the management of patients with systemic sclerosis-associated interstitial lung disease: a systematic review	15
Clinical application of oscillometry in respiratory diseases: an impulse oscillometry registry	14
Analysis of pathological changes in the epithelium in COVID-19 patient airways	14
SABA use as an indicator for asthma exacerbation risk: an observational cohort study (SABINA Canada)	14
Cost-effectiveness analysis of a single-inhaler triple therapy for COPD in the UK	14
Endoscopic lung volume reduction with endobronchial valves in very lowDLCOpatients: results from the German Registry – Lungenemphysemregister e.V.	14
Effect of a day-trip to altitude (2500 m) on exercise performance in pulmonary hypertension: randomised crossover trial	14
Excess mortality and undertreatment in elderly lung cancer patients: treatment nihilism in the modern era?	14
Rapid prediction of adverse outcomes for acute normotensive pulmonary embolism: derivation of the Calgary Acute Pulmonary Embolism score	14
Acoustic surveillance of cough for detecting respiratory disease using artificial intelligence	14
A double-blind randomised placebo-controlled trial investigating the effects of lesogaberan on the objective cough frequency and capsaicin-evoked coughs in patients with refractory chronic cough	14
Endobronchial autologous bone marrow–mesenchymal stromal cells in idiopathic pulmonary fibrosis: a phase I trial	14
Adding a biologic to allergen immunotherapy increases treatment efficacy	14
Arterial remodelling in smokers and in patients with small airway disease and COPD: implications for lung physiology and early origins of pulmonary hypertension	14
Severe outcomes of COVID-19 among patients with COPD and asthma	14
The epidemiology of nontuberculous mycobacterial pulmonary disease in the Netherlands	14
Home-based pulmonary rehabilitation in people with bronchiectasis: a randomised controlled trial	13
Dyspnoea and clinical outcome in critically ill patients receiving noninvasive support for COVID-19 respiratory failure:post hocanalysis of a randomised clinical trial	13
Oximetry neither to prescribe long-term oxygen therapy nor to screen for severe hypoxaemia	13
Enhanced neutrophil extracellular trap formation in COVID-19 is inhibited by the protein kinase C inhibitor ruboxistaurin	13
COVID-19 and its continuing burden after 12 months: a longitudinal observational prospective multicentre trial	13
Respiratory subtype of relapsing polychondritis frequently presents as difficult asthma: a descriptive study of respiratory involvement in relapsing polychondritis with 13 patients from a single UK ce	13
Pulmonary hypertension in interstitial lung disease: an area of unmet clinical need	13
Association between body mass index and mortality in hospitalised patients with community-acquired pneumonia	13
Assessing cough symptom severity in refractory or unexplained chronic cough: findings from patient focus groups and an international expert panel	13
Pleiotropic associations of heterozygosity for theSERPINA1Z allele in the UK Biobank	13
Awake or intubated surgery in diagnosis of interstitial lung diseases? A prospective study	13
Cystic fibrosis airway microbiota associated with outcomes of nontuberculous mycobacterial infection	13
Blood eosinophils to guide inhaled maintenance therapy in a primary care COPD population	13
Blood eosinophils on hospital admission for COPD exacerbation do not predict the recurrence of moderate and severe relapses	13
Ventilator-associated pneumonia in critically ill patients with COVID-19 infection: a narrative review	13
Asthma in South African adolescents: a time trend and risk factor analysis over two decades	13
Burden of chronic cough in the UK: results from the 2018 National Health and Wellness Survey	13
The impact of the first COVID-19 surge on severe asthma patients in the UK. Which is worse: the virus or the lockdown?	13
Presence ofPropionibacterium acnesin granulomas associates with a chronic disease course in Dutch sarcoidosis patients	13
Treatment of pulmonary hypertension associated with COPD: a systematic review	12
Direct oral anticoagulant therapy in patients with morbid obesity after intermediate- or high-risk pulmonary emboli	12
Relevance of comorbidities on initial combination therapy in pulmonary arterial hypertension	12
A potential harmful effect of dexamethasone in non-severe COVID-19: results from the COPPER-pilot study	12
Early oseltamivir treatment improves survival in critically ill patients with influenza pneumonia	12
Symptoms persisting after hospitalisation for COVID-19: 12 months interim results of the CO-FLOW study	12
Bronchial thermoplasty guided by hyperpolarised gas magnetic resonance imaging in adults with severe asthma: a 1-year pilot randomised trial	12
Unravelling young COPD and pre-COPD in the general population	12
Outcomes with a shorter multidrug-resistant tuberculosis regimen from Karakalpakstan, Uzbekistan	12
The role of high-flow nasal therapy in bronchiectasis: apost hocanalysis	12
Suppression of epithelial abnormalities by nintedanib in induced-rheumatoid arthritis-associated interstitial lung disease mouse model	12
Pleuroparenchymal fibroelastosis inMycobacterium aviumcomplex pulmonary disease: clinical characteristics and prognostic impact	12
Lumacaftor/ivacaftor-associated health stabilisation in adults with severe cystic fibrosis	12
Long-term adherence to inhaled corticosteroids and asthma control in adult-onset asthma	12
A Phase 2 randomised study to establish efficacy, safety and dosing of a novel oral cathepsin C inhibitor, BI 1291583, in adults with bronchiectasis: Airleaf	12

Cystic fibrosis in South Africa: spectrum of disease and determinants of outcome	12
Predictors of pulmonary rehabilitation completion in the UK	12
Heterogeneity in the use of biologics for severe asthma in Europe: a SHARP ERS study	12
Spirometric phenotypes from early childhood to young adulthood: a Chronic Airway Disease Early Stratification study	12
Prothrombotic state in patients with stable COPD: an observational study	12
Research advances and clinical management of bronchiectasis: Chinese perspective	12
Pulmonary rehabilitation in long COVID: more than just natural recovery!?	11
European Respiratory Society clinical practice guidelines: methodological guidance	11
High-flow oxygen therapyversusnoninvasive ventilation: a randomised physiological crossover study of alveolar recruitment in acute respiratory failure	11
Arterial blood gas analysis: as safe as we think? A multicentre historical cohort study	11
NKX2.1(TTF1) germline mutation associated with pulmonary fibrosis and lung cancer	11
Multimorbidity and overall comorbidity of sleep apnoea: a Finnish nationwide study	11
Prevalence and management of severe asthma in the Nordic countries: findings from the NORDSTAR cohort	11
Early selexipag initiation and long-term outcomes: insights from randomised controlled trials in pulmonary arterial hypertension	11
Past asthma exacerbation in children predicting future exacerbation: a systematic review	11
Multimorbidity in bronchiectasis: a systematic scoping review	11
Epidemiology and economic burden of bronchiectasis requiring hospitalisation in Singapore	11
Psychological stress and health-related quality of life among tuberculosis patients: a prospective cohort study	11
Association between lung function and future risks of diabetes, asthma, myocardial infarction, hypertension and all-cause mortality	11
Advances in diagnostic tools for respiratory tract infections: from tuberculosis to COVID-19 – changing paradigms?	11
The emerging role of proteases in α1-antitrypsin deficiency and beyond	11
Global burden of nontuberculous mycobacteria in the cystic fibrosis population: a systematic review and meta-analysis	11
Non-dipping nocturnal blood pressure correlates with obstructive sleep apnoea severity in normotensive subjects and may reverse with therapy	11
Characteristics and risk factors for post-COVID-19 breathlessness after hospitalisation for COVID-19	11
Characterisation of cough evoked by inhaled treprostinil and treprostinil palmitil	11
Demographic and clinical characteristics of patients with α1-antitrypsin deficiency genotypes PI*ZZ and PI*SZ in the Spanish registry of EARCO	11
Evaluation of sputum eosinophil count as a predictor of treatment response to mepolizumab	11
High-throughput functional assay in cystic fibrosis patient-derived organoids allows drug repurposing	10
Biologicals in childhood severe asthma: the European PERMEABLE survey on thestatus quo	10
Prevalence and burden of chronic cough in China: a national cross-sectional study	10
Triple therapy in COPD: understanding the data	10
The landscape of transcriptomic and proteomic studies in sarcoidosis	10
The impact of personal and outdoor temperature exposure during cold and warm seasons on lung function and respiratory symptoms in COPD	10
Chronic cough in Germany: results from a general-population survey	10
Outcomes and characteristics of COVID-19 patients treated with continuous positive airway pressure/high-flow nasal oxygen outside the intensive care setting	10
Heparin-binding protein levels correlate with aggravation and multiorgan damage in severe COVID-19	10
Causes and outcomes of ICU hospitalisations in patients with pulmonary arterial hypertension	10
Minimal clinically important difference for daily pedometer step count in COPD	10
Integrating Comprehensive Geriatric Assessment for people with COPD and frailty starting pulmonary rehabilitation: the Breathe Plus feasibility trial protocol	10
Airway monocyte modulation relates to tumour necrosis factor dysregulation in neutrophilic asthma	10
A prospective study of pulmonary outcomes and chest computed tomography in the first year after COVID-19	10
Vascular remodelling in idiopathic pulmonary fibrosis patients and its detrimental effect on lung physiology: potential role of endothelial-to-mesenchymal transition	10
Rising COVID-19 related acute pulmonary emboli but falling national chronic thromboembolic pulmonary hypertension referrals from a large national dataset	10
Computed tomography lung parenchymal descriptions in routine radiological reporting have diagnostic and prognostic utility in patients with idiopathic pulmonary arterial hypertension and pulmonary hyp	10
MULTI-PHACET: multidimensional clinical phenotyping of hospitalised acute COPD exacerbations	10
Effect of fexofenadine hydrochloride on allergic rhinitis aggravated by air pollutants	10
Delivered dose with jet and mesh nebulisers during spontaneous breathing, noninvasive ventilation and mechanical ventilation using adult lung models	10
Single-nucleotide polymorphism rs2070600 regulatesAGERsplicing and the sputum levels of the COPD biomarker soluble receptor for advanced glycation end-products	10
Impact ofN-acetyl-l-cysteine on SARS-CoV-2 pneumonia and its sequelae: results from a large cohort study	10
Dynamic contrast-enhanced magnetic resonance imaging of the lung reveals important pathobiology in idiopathic pulmonary fibrosis	10
Definitions of non-response and response to biological therapy for severe asthma: a systematic review	10
Treatment with antifibrotic agents in idiopathic pleuroparenchymal fibroelastosis with usual interstitial pneumonia	10
Xenon ventilation MRI in difficult asthma: initial experience in a clinical setting	10
Normal limits for oscillometric bronchodilator responses and relationships with clinical factors	10
Early-life risk factors for development of asthma from 8 to 28 years of age: a prospective cohort study	10
Nebulised interferon-β1a (SNG001) in hospitalised COVID-19: SPRINTER phase III study	10
Underdiagnosis of cardiac sarcoidosis by ECG and echocardiography in cases of extracardiac sarcoidosis	9
Infant lung function: criteria for selecting tidal flow–volume loops	9
Efficacy and safety of single-inhaler triple therapy of glycopyrronium, formoterol and fluticasone in patients with COPD: a double-blind, randomised controlled trial	9
Increased smoking and e-cigarette use among Irish teenagers: a new threat to Tobacco Free Ireland 2025	9
Treatable cardiac disease in hospitalised COPD exacerbations	9
The Children's Anti-inflammatory Reliever (CARE) study: a protocol for a randomised controlled trial of budesonide-formoterol as sole reliever therapy in children with mild asthma	9
Telomere shortening and DNA damage in culprit cells of different types of progressive fibrosing interstitial lung disease	9
Endothelial-to-mesenchymal transition: a precursor to pulmonary arterial remodelling in patients with idiopathic pulmonary fibrosis	9
Treatment of severeMycobacterium aviumcomplex pulmonary disease with adjunctive amikacin and clofazimineversusstandard regimen alone: a retrospective study	9
An international survey on the use of intrapleural tissue plasminogen activator/DNase therapy for pleural infection	9
Impact of fan therapy during exercise on breathlessness and recovery time in patients with COPD: a pilot randomised controlled crossover trial	9
Lung volume reduction in emphysema: a pragmatic prospective cohort study	9
The demographics, clinical characteristics and quality of life of patients with chronic cough from the Isala Cough Clinic in the Netherlands	9
The angiostatic peptide endostatin enhances mortality risk prediction in pulmonary arterial hypertension	9
Bronchodilator responsiveness and dysanapsis in bronchopulmonary dysplasia	9
Cardiomyopathy as cause of death in Duchenne muscular dystrophy: a longitudinal observational study	9
Sex-specific longitudinal association of DNA methylation with lung function	9
Haemoglobin as a biomarker for clinical outcomes in chronic obstructive pulmonary disease	9
Neutrophil-to-lymphocyte ratio, blood eosinophils and COPD exacerbations: a cohort study	9
Functional respiratory complaints among COVID-19 survivors: a prospective cohort study	9
Adverse perception of cough in patients with severe asthma: a discrete choice experiment	9
Symptomatic smokers without COPD have physiological changes heralding the development of COPD	9
A randomised study of comfort during bronchoscopy comparing conscious sedation and anaesthetist-controlled general anaesthesia, including the utility of bispectral index monitoring	9
A systematic review with meta-analysis of biomarkers for detection of pulmonary arterial hypertension	9
Cross-talk of inflammatory mediators and airway epithelium reveals the cystic fibrosis transmembrane conductance regulator as a major target	9
Anxiety and depression in Dutch patients with primary ciliary dyskinesia and their caregivers: associations with health-related quality of life	9
Reliability of translaryngeal airway resistance measurements during maximal exercise	9
Defining end-systolic pressure for single-beat estimation of right ventricle–pulmonary artery coupling: simple… but not really	9
The prevalence and physiological impacts of centrilobular and paraseptal emphysema on computed tomography in smokers with preserved ratio impaired spirometry	9
Bronchiectasis: moving from an orphan disease to an unpleasant socioeconomic burden	9
A novel approach to perioperative risk assessment for patients with pulmonary hypertension	9
Quit attempts and tobacco abstinence in primary care patients: follow-up of a pragmatic, two-arm cluster randomised controlled trial on brief stop-smoking advice � ABC versus 5As	8
Validation of a diagnosis-agnostic symptom questionnaire for asthma and/or COPD	8
Phagocyte extracellular traps in children with neutrophilic airway inflammation	8
Sleep and cardiometabolic comorbidities in the obstructive sleep apnoea–COPD overlap syndrome: data from the European Sleep Apnoea Database	8
Interleukin-11 disrupts alveolar epithelial progenitor function	8
The sputum transcriptome better predicts COPD exacerbations after the withdrawal of inhaled corticosteroids than sputum eosinophils	8
Uncontrolled asthma from childhood to young adulthood associates with airflow obstruction	8
Physical activity end-points in trials of chronic respiratory diseases: summary of evidence	8