Journal of Neurology

Article	Citations
Prevalence of infratentorial superficial siderosis in a large general population sample from the UK Biobank	140
The deltoid muscle and the pattern of paresis in ALS	130
Neuromyelitis optica spectrum disorder with a familial Mediterranean fever gene E84K mutation	120
Microstructural characterization of multiple sclerosis lesion phenotypes using multiparametric longitudinal analysis	120
Tacrolimus-induced Parkinsonism	116
Interpretable deep learning survival predictions in sporadic Creutzfeldt–Jakob disease	100
Different patterns of acute saccadic response to levodopa in de novo Parkinson’s disease	97
Reversible cerebral vasoconstriction syndrome after intravenous iron substitution: a case report	96
Neurological manifestation of HEV infection: still a rare disease entity?	82
Brain 18F-FDG PET findings and sequential vestibular testing in SCA27B: a case report	71
Halting progressive multifocal leukoencephalopathy with pembrolizumab: the case of a patient with multiple sclerosis under fingolimod	68
The DeMyers: Marian (1922–2012) and William (1924–2008)	67
Risk of secondary progression in patients with highly active multiple sclerosis treated with natalizumab: a real-life study	63
Pallidal deep brain stimulation for patients with myoclonus-dystonia without SGCE mutations	62
Richard Caton (1842-1926)	62
Tourette syndrome: effects of acetyl-leucine in two individuals	61
Increased aneurysm wall permeability colocalized with low wall shear stress in unruptured saccular intracranial aneurysm	60
Explaining recovery from coma with multimodal neuroimaging	60
Analysis of C9orf72 repeat length in progressive supranuclear palsy, corticobasal syndrome, corticobasal degeneration, and atypical parkinsonism	59
Prevalence of hereditary transthyretin amyloidosis in CIDP patients with red flags: a multicenter genetic screening and misdiagnosis analysis	58
Incidence of Guillain–Barré syndrome in Cuba before and during the Oropouche virus emergency, 2018–2024	57
Epileptic disorders in Becker and Duchenne muscular dystrophies: a systematic review and meta-analysis	57
Dizziness and spatial disorientation in patients with transient global amnesia: clinical and vestibular correlates	55
Restless legs syndrome in Parkinson’s disease: epidemiology, pathogenetic overlaps, and clinical management	53
Improving conscientiousness through a smartphone app and telecoaching intervention: insights from multiple sclerosis and healthy aging samples	51

Dystonia management across Europe within ERN-RND: current state and future challenges	50
Historical and current issues in HIV encephalitis, and the role of neuropathology in HIV disease: a pathological perspective	49
A real-world study on the utility of regular rituximab treatment for neuromyelitis optica spectrum disorder	49
Assessment of cognitive function, structural brain changes and fatigue 6 months after treatment of neuroborreliosis	49
TS-HDS autoantibody: clinical characterization and utility from real-world tertiary care center experience	48
Acute symptomatic seizures and hippocampal sclerosis: the major contributor for post-stroke epilepsy?	48
Keeping an eye on Parkinson’s disease: color vision and outer retinal thickness as simple and non-invasive biomarkers	48
Tau levels in platelets isolated from Huntington’s disease patients serve as a biomarker of disease severity	48
Complications of reversible cerebral vasoconstriction syndrome in relation to age	46
Longitudinal predictors of health-related quality of life in isolated dystonia	45
Sensory neuropathy due to RFC1 in a patient with ALS: more than a coincidence?	44
Hashimoto’s encephalopathy with diffuse leukoencephalopathy: serial MRI and gait analysis	44
Correction to: Epilepsy related multimorbidity, polypharmacy and risks in adults with intellectual disabilities: a national study	44
Humoral response after accelerated schedule of HBV vaccination in MS patients before anti-CD20 therapy	43
A decision aid is not the quick fix for improving shared decision-making in advanced Parkinson’s disease: results of a mixed methods feasibility study	43
Exploring epigenetic modifications as potential biomarkers and therapeutic targets in amyotrophic lateral sclerosis	43
Correction to: Synergistic effects of vagus nerve stimulation and antiseizure medication	42
Dopaminergic responsiveness and dopaminergic challenge tests of Parkinson’s disease: a systematic review and meta-analysis	40
Long-term efficacy and safety of ravulizumab in adults with anti-acetylcholine receptor antibody-positive generalized myasthenia gravis: results from the phase 3 CHAMPION MG open-label extension	40
Long-term outcome after decompressive hemicraniectomy for malignant middle cerebral artery infarction	40
A retrospective study of autoimmune cerebellar ataxia over a 20-year period in a single institution	39
International survey on the implementation of the European and American guidelines on disorders of consciousness	39
Recent applications of quantitative electroencephalography in adult intensive care units: a comprehensive review	39
Primary progressive aphasia: six questions in search of an answer	38
Phenotype-driven reanalysis reveals five novel pathogenic variants in 40 exome-negative families with Charcot–Marie–Tooth Disease	38
CSF biomarkers of B-cell activation in multiple sclerosis: a clinical perspective	38
A role for the Epstein–Barr virus in multiple sclerosis aetiology?	37
SARA captures disparate progression and responsiveness in spinocerebellar ataxias	36
Stroke frequency, associated factors, and clinical features in primary systemic vasculitis: a multicentric observational study	36
Response to SARS-CoV-2 vaccination in multiple sclerosis patients on disease modifying therapies	36
Eye tracking identifies biomarkers in α-synucleinopathies versus progressive supranuclear palsy	36
Genetic forms of tauopathies: inherited causes and implications of Alzheimer’s disease-like TAU pathology in primary and secondary tauopathies	36
Walter Russell Brain (1895–1966)	35
Neural correlates of dual-task walking in people with central neurological disorders: a systematic review	35
Cavernomas: to treat or not to treat?	34
Quantitative brainstem and spinal MRI in amyotrophic lateral sclerosis: implications for predicting noninvasive ventilation needs	33
Episodic symptoms caused by neurovascular conflict of vagus nerve due to hemilateral anterior inferior cerebellar artery	33
Mismatch between clinically defined classification of ALS stage and the burden of cerebral pathology	33
Detection of patent foramen ovale in patients with ischemic stroke on prospective ECG-gated cardiac CT compared to transthoracic echocardiography	33
Systematic review and evidence gap mapping of biomarkers associated with neurological manifestations in patients with COVID-19	32
Architecture and anatomy of executive processes: evidence from verbal fluency and Trail Making Test in 2009 stroke patients	32
Analyzing the relationship between specific brain structural changes and the diffusion tensor image analysis along the perivascular space index in idiopathic normal pressure hydrocephalus	32
Regional free-water diffusion is more strongly related to neuroinflammation than neurodegeneration	32
Anxiety and depression in Charcot-Marie-Tooth disease: data from the Italian CMT national registry	32
A multi-domain lifestyle intervention in multiple sclerosis: a longitudinal observational study	31
Patent foramen ovale diagnosis in young stroke patients: analysis of recurrence and mortality	31
Genetic variation of low-to-medium-affinity Fc-gamma receptors in Guillain-Barré syndrome	31
Dysregulation of the molecular clock by blood-borne factors in Alzheimer’s disease patients	31
Equity in neuromuscular research: a 20-year analysis of race, ethnicity, sex, and age representation	31
Health-related quality of life in Japanese patients with multiple sclerosis	31

Impulse control and correlation to dopamine agonist serum concentrations in people with Parkinson's disease	30
Is there a spinal tap responder in progressive supranuclear palsy? The first prospective study	30
Genetic modifiers of upper limb function in Duchenne muscular dystrophy	30
Endolymphatic space is age-dependent	30
Longitudinal analysis and treatment of neuropsychiatric symptoms in post-acute sequelae of COVID-19	30
eHealth tools to assess the neurological function for research, in absence of the neurologist: a systematic review, part II (hardware)	30
Procedural and Clinical Outcome of Stroke after thrombectomy according to etiology: results from a nationwide registry	30
Challenges in multinational rare disease clinical studies during COVID-19: regulatory assessment of cipaglucosidase alfa plus miglustat in adults with late-onset Pompe disease	30
Outcome predictors of post-COVID conditions in the European Academy of Neurology COVID-19 registry	29
The complex relationship between antibody titers and clinical outcome in botulinum toxin type A long-term treated patients with cervical dystonia	29
The topography of infratentorial lesions in depression and anxiety in multiple sclerosis	29
Distributions and network changes of brain activity in the acute phase of anti-NMDAR encephalitis: a MEG study	29
Relapses during treatment with monoclonal antibodies targeting B-cells in NMOSD	28
Anti-SOX1 antibody-associated acute hemorrhagic leukoencephalitis	28
Correction: Pharmacogenomics of clinical response to Natalizumab in multiple sclerosis: a genome-wide multi-centric association study	28
Sutton’s law applies to functional neurology	27
Quantification of saccadic fatigability and diagnostic efficacy for myasthenia gravis	27
Translocator protein (TSPO)-PET as diagnostic and monitoring tool in COVID-19 related MRI-negative brainstem encephalitis: a case report	27
The intersection of delirium and long-term cognition in older adults: the critical role of delirium prevention	27
Cerebral infarctions following an increase in corticosteroids: an atypical case of reversible cerebral vasoconstriction syndrome	27
Left- vs right-sided migraine: a scoping review	27
A novel prediction score determining individual clinical outcome 3 months after juvenile stroke (PREDICT-score)	27
Inflammatory neuropathy with evidence of anti-GQ1b antibodies in angioimmunoblastic T cell lymphoma (AITL): a case report	27
Long-term clinical outcomes in patients with CIS treated with interferon beta-1b: results from the 15-year follow up of the BENEFIT trial	27
Aphasia as a stroke mimic in older adults: a diagnostic challenge	27
Frontotemporal neurofibrillary tangles and cerebrovascular lesions are associated with autism spectrum behaviors in late-life dementia	26
Audiovisual analysis of the diagnostic video polysomnography in patients with isolated REM sleep behavior disorder	26
Cost effectiveness of different treatment strategies with natalizumab for pregnant women with multiple sclerosis	26
Ultra-late response (> 24 weeks) to anti-CGRP monoclonal antibodies in migraine: a multicenter, prospective, observational study	26
The role of serum neurofilament light (sNfL) as a biomarker in multiple sclerosis: insights from a systematic review	26
The frequency of non-motor symptoms in SCA3 and their association with disease severity and lifestyle factors	26
Air pollution, greenspace exposure and risk of Parkinson's disease: a prospective study of 441,462 participants	26
Risdiplam improves subjective swallowing quality in non-ambulatory adult patients with 5q-spinal muscular atrophy despite advanced motor impairment	26
Retreating migraine patients in the second year with monoclonal antibodies anti-CGRP pathway: the multicenter prospective cohort RE-DO study	26
Neurological update: structural and functional imaging in epilepsy surgery	25
Feasibility, safety and efficacy of multi-dose vagus nerve stimulation in Parkinson’s disease: a double-blind, randomised sham-controlled proof-of-concept study	25
Effectiveness of rituximab vs. ocrelizumab for the treatment of primary progressive multiple sclerosis: a real-world observational study	25
Cognitive stimulation in Parkinson’s disease with mild cognitive impairment	25
Amyotrophic lateral sclerosis stratification: unveiling patterns with virome, inflammation, and metabolism molecules	25
Estimation of ataxia severity in children with ataxia-telangiectasia using ankle-worn sensors	25
Characterisation of RT-QuIC negative cases from the UK National CJD Research and Surveillance programme	25
The Sternbergers: Ludwig (1921–2008) and Nancy (1938–2014)	25
Encephalitis in HIV-infected adults in the antiretroviral therapy era	25
Proposal of new diagnostic criteria for fatal familial insomnia	24
Management of hypersensitivity in a patient with late-onset Pompe disease experiencing recurrent infusion-related reactions	24
The role of language-related functional brain regions and white matter tracts in network plasticity of post-stroke aphasia	24
Longitudinal qualitative assessment of meaningful symptoms and relevance of WATCH-PD digital measures for people with early Parkinson’s	24
Fluctuations in serum aquaporin-4 antibody titers: the clinical significance in neuromyelitis optica spectrum disorder	24
The clinical phenotype of psychiatric-onset prodromal dementia with Lewy bodies: a scoping review	24
Evaluating 18F-Florzolotau tau PET for Alzheimer’s disease diagnosis with 18F-Flortaucipir as reference	24
Present and future of the diagnostic work-up of multiple sclerosis: the imaging perspective	24
Artificial intelligence in neurology: opportunities, challenges, and policy implications	24
Novel biomarkers and neuroimaging techniques in Parkinson’s disease	24
Regional distribution of polymorphisms associated to the disease-causing gene of spinocerebellar ataxia type 3	24
Progression independent of relapse activity in relapsing multiple sclerosis: impact and relationship with secondary progression	24
Neurophysiological and behavioural correlates of ocrelizumab therapy on manual dexterity in patients with primary progressive multiple sclerosis	24
Machine learning for adaptive deep brain stimulation in Parkinson’s disease: closing the loop	24
Precision diagnosis and precision treatment for the genetic epilepsies	23
Genetic risk factors of Alzheimer’s Disease disrupt resting-state functional connectivity in cognitively intact young individuals	23
Hypothalamic atrophy in CANVAS/RFC1	23
Visual quality of life in NMOSD and MOGAD: profiles, dynamics and associations with ageing and vision	23
Beneficial effect of N-acetyl-DL-leucine on cognitive function, emotional well-being and QoL in a mentally healthy elderly person	23
The correlation between 9-HPT and patient-reported measures of upper limb function in multiple sclerosis: a systematic review and meta-analysis	23
MRI-guided focused ultrasound: new hope for drug-resistant neurological conditions	23
Ocular phenotype and electroretinogram abnormalities in Lafora disease and correlation with disease stage	23
Measuring the functional impact of cognitive impairment in Huntington’s disease	23
Unprescribed cannabinoids and multiple sclerosis: a multicenter, cross-sectional, epidemiological study in Lombardy, Italy	23
Rate of change in upper and lower motor neuron burden is associated with survival in amyotrophic lateral sclerosis	23
Epileptogenicity of white matter lesions in cerebral small vessel disease: a systematic review and meta-analysis	23
Fingolimod-associated progressive multifocal leukoencephalopathy in a multiple sclerosis patient with a good response to filgrastim	23
Photophobia in headache disorders: characteristics and potential mechanisms	22
Effect of siponimod on lymphocyte subsets in active secondary progressive multiple sclerosis and clinical implications	22
Correlation between cognitive changes and neuroradiological changes over time in multiple sclerosis: a systematic review and meta-analysis	22
Recurrence and long-term outcomes of Tolosa-Hunt syndrome	22
Natural history of facioscapulohumeral muscular dystrophy evaluated by multiparametric quantitative MRI: a prospective cohort study	22
Incidence of cerebral small vessel disease-related MR markers in the Swedish general population ‘Good Aging in Skåne’(GÅS) study	22
Locus coeruleus degeneration and cerebellar gray matter changes in essential tremor	22
Parkinson’s disease with hyposmia and dysautonomia: does it represent a distinct subtype?	22
Dopamine transporter single photon emission computed tomography (DaT-SPECT) use in the diagnosis and clinical management of parkinsonism: an 8-year retrospective study	22
Rho GTPase-activating protein 10 (ARHGAP10/GRAF2) is a novel autoantibody target in patients with autoimmune encephalitis	22

Effectiveness and safety of pharmacological prophylaxis for chronic migraine: a systematic review and network meta-analysis	22
Quantitative whole-body muscle MRI in idiopathic inflammatory myopathies including polymyositis with mitochondrial pathology: indications for a disease spectrum	22
Occurrence of area postrema syndrome during follow-up: phenotype and influence over NMOSD activity in LATAM in real-world settings	22
Impacts of medication non-adherence to major modifiable stroke-related diseases on stroke prevention and mortality: a meta-analysis	22
Modulation of spontaneous motor unit potentials by a new motor cortical magnetic stimulation method in amyotrophic lateral sclerosis	22
Loss of brainstem white matter predicts onset and motor neuron symptoms in C9orf72 expansion carriers: a GENFI study	21
Evaluation of drivers of treatment switch in relapsing multiple sclerosis: a study from the Italian MS Registry	21
How to identify insular epilepsy	21
Correction: Metabolomic profile of cerebrospinal fluid from patients with diffuse gliomas	21
Frida Kahlo could have had cauda equina syndrome: a case report	21
Correction: Opicapone for the treatment of early wearing-off in levodopa-treated Parkinson’s disease: pooled analysis of patient level data from two randomized open-label studies	21
Intake reminders are effective in enhancing adherence to direct oral anticoagulants in stroke patients: a randomised cross-over trial (MAAESTRO study)	21
Retinal thickness as a biomarker of cognitive impairment in manifest Huntington’s disease	21
Efficacy and safety of adjunctive perampanel treatment in pediatric patients with epilepsy aged 4–12 years: a real-world study	21
Overcoming traps and pitfalls leading to misinterpretation of normal EEG variants and variation of the background activity	21
Different approaches to test orientation of self in space: comparison of a 2D pen-and-paper test and a 3D real-world pointing task	21
The effects of dopaminergic medication and task load on trembling and akinetic freezing of gait in Parkinson’s disease	21
Exploring the impact of 40 Hz multi-luminaire light exposure in Alzheimer's dementia: insights from a convenient sampling, non-randomized case–control study	21
The impact of the SARS-CoV-2-pandemic on patients with chronic inflammatory neuropathies: results from the German INHIBIT register	21
Late-onset cerebellar ataxia in three European patients with repeat expansions in RFC1 and FGF14: a case series	20
Diagnosing primary lateral sclerosis: a clinico-pathological study	20
The impact of spontaneous intracranial hypotension on social life and health-related quality of life	20
Case report: anti-argonaute antibodies in Epstein-Barr virus encephalitis	20
Emerging technologies for management of patients with amyotrophic lateral sclerosis: from telehealth to assistive robotics and neural interfaces	20
Brain positron emission tomography (PET) and cognitive abnormalities one year after COVID-19	20
A new genetic cause of spastic ataxia: the p.Glu415Lys variant in TUBA4A	20
Early use of high-efficacy therapies in multiple sclerosis in the United States: benefits, barriers, and strategies for encouraging adoption	20
The value of magnetic resonance imaging of the optic nerve for the diagnosis of multiple sclerosis in patients with optic neuritis	20
CSF phospho-tau levels at Parkinson’s disease onset predict the risk for development of motor complications	20
Frequency and predictors of poststroke epilepsy after mechanical thrombectomy for large vessel occlusion stroke: results from a multicenter cohort study	20
Effects of motor–cognitive training on dual-task performance in people with Parkinson’s disease: a systematic review and meta-analysis	20
Comparing caloric and self-experienced dizziness symptoms: diagnostic value and implications in functional dizziness	20
Usefulness of subcutaneous immunoglobulin therapy in the management of myasthenia gravis: a retrospective cohort study	20
Systematic assessment of square-wave jerks in progressive supranuclear palsy: a video-oculographic study	20
Isolated REM sleep behaviour disorder: current diagnostic procedures and emerging new technologies	19
Motor and non-motor outcome in tremor dominant Parkinson’s disease after MR-guided focused ultrasound thalamotomy	19
Measuring cognitive impairment and monitoring cognitive decline in Huntington’s disease: a comparison of assessment instruments	19
Explaining cognitive function in multiple sclerosis through networks of grey and white matter features: a joint independent component analysis	19
Clinical and imaging spectrum of non-congenital dominant ACTN2 myopathy	19
Correction to: Off-label-dosing of non-vitamin K-dependent oral antagonists in AF patients before and after stroke: results of the prospective multicenter Berlin Atrial Fibrillation Registry	19
Muscle MRI as a biomarker of disease activity and progression in myotonic dystrophy type 1: a longitudinal study	19
Burden of disease in myasthenia gravis: taking the patient’s perspective	19
Treatment of functional neurological disorder: an umbrella review of systematic reviews and meta-analyses	19
Subjective and objective responses to caloric stimulation help separate vestibular migraine from other vestibular disorders	19
Measurement of upper limb function in ALS: a structured review of current methods and future directions	19
Spinocerebellar ataxia 27B: a frequent and slowly progressive autosomal-dominant cerebellar ataxia—experience from an Italian cohort	19
Conjugate torsional pendular nystagmus and palatal tremor after unilateral internuclear ophthalmoplegia	19
A score to predict the stroke recurrence of patients with embolic stroke of undetermined source	19
Distal hereditary motor neuronopathy as a new phenotype associated with variants in BAG3	19
Widespread and progressive brain atrophy is a common feature in patients with mitochondrial disease	19
Diagnostic accuracy and confounders of vagus nerve ultrasound in amyotrophic lateral sclerosis—a single-center case series and pooled individual patient data meta-analysis	19
Effectiveness of endovascular treatment for in-hospital stroke vs. community-onset stroke: a propensity score-matched analysis	19
A perspective on persistent toxicants in veterans and amyotrophic lateral sclerosis: identifying exposures determining higher ALS risk	19
Impact of COVID-19 pandemic on frequency of clinical visits, performance of MRI studies, and therapeutic choices in a multiple sclerosis referral centre	19
Louis Jacobsohn-Lask (1863–1940)	19
Comprehensive pathological and genetic investigation of three young adult myotonic dystrophy type 1 patients with sudden unexpected death	19
Optic neuritis and MOGAD	19
Resurrection of sildenafil: potential for Huntington’s Disease, too?	19
Good vibrations: tactile cueing for freezing of gait in Parkinson’s disease	19
Association of rare variants in genes of immune regulation with pediatric autoimmune CNS diseases	19
Specific clinical and radiological characteristics of anti-NMDA receptor autoimmune encephalitis following herpes encephalitis	19
Serum neurofilament light chain associates with symptom burden in Lyme neuroborreliosis patients: a longitudinal cohort study from Norway	18
Leg stereotypy syndrome: phenomenological and quantitative analysis	18
The impact of an MSU service on acute stroke care in a middle-sized city: a simulation-based analysis	18
A nationwide epidemiological study of myasthenia gravis in Turkey	18
Olfactory dysfunction is common in classical infratentorial superficial siderosis of the central nervous system	18
Neurological symptoms after COVID-19 vaccination: a report on the clinical presentation of the first 50 patients	18
The phenotypic spectrum of epilepsy associated with periventricular nodular heterotopia	18
Correction to: Outcomes of mechanical thrombectomy in patients with acute ischemic stroke and thrombocytopenia: systematic review and meta-analysis	18
A disproportionality analysis of surgical site infections across multiple sclerosis disease modifying therapies	18
Radiologically isolated syndromes: to treat or not to treat?	18
Satralizumab as a treatment for pediatric-onset neuromyelitis optica spectrum disorder with cluster attack: a case report	18
A rare case of a wall-eyed bilateral internuclear ophthalmoplegia (WEBINO) syndrome in a patient with cutaneous lupus erythematosus after COVID-19 infection	18
Dyspnea and dystussia in Parkinson’s disease: patient-reported prevalence and determinants	18
Upper motor neuron-predominant motor neuron disease: a novel immunotherapy-responsive association of GAD65 autoimmunity	18
Motor function in multiple sclerosis assessed by navigated transcranial magnetic stimulation mapping	18
(William) Ritchie Russell (1903–1980)	18
Referral trajectories in patients with vertigo, dizziness and balance disorders and their impact on health-related quality of life and functioning: results from the longitudinal multicenter study Mobi	18
NFL and GFAP in (pre)symptomatic RVCL-S carriers: a monogenic cerebral small vessel disease	18
Eye movement abnormalities in normal pressure hydrocephalus: a video-oculographic study	18
Early therapy initiation is crucial in chronic inflammatory demyelinating polyneuropathy: prospective multimodal data from the German INHIBIT registry	17
Microvascular involvement in migraine: an optical coherence tomography angiography study	17
Acetyl-dl-leucine in cerebellar ataxia ([18F]-FDG-PET study): how does a cerebellar disorder influence cortical sensorimotor networks?	17
Differentiating anti-IgLON5 disease and Lewy body dementia: a systematic review	17
Difference in safety and humoral response to mRNA SARS-CoV-2 vaccines in patients with autoimmune neurological disorders: the ANCOVAX study	17
Real-life evaluation of the 2017 McDonald criteria for relapsing–remitting multiple sclerosis after a clinically isolated syndrome confirms a gain in time-to-diagnosis	17
Characteristics of HHV-7 meningitis: a systematic review	17
Combined central and peripheral demyelination after COVID-19 vaccination	17
Elevated serum concentrations of GFAP in hereditary transthyretin amyloidosis since pre-symptomatic stages	17
Machine learning and wearable sensors for automated Parkinson’s disease diagnosis aid: a systematic review	17
Myasthenia gravis, respiratory function, and respiratory tract disease	17
Neurosarcoidosis	17
A novel phenotype in an Italian family with a rare progranulin mutation	17
A survey-based approach on restless legs syndrome: practices and perspectives among Italian neurologists	17
Marked increase in severe neurological disorders after nitrous oxide abuse: a retrospective study in the Greater Paris area	17