OOIR: Observatory of International Research

Papers

(The TQCC of Annals of Clinical Biochemistry is 3. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-08-01 to 2026-08-01.)

Article	Citations
Letter response: Metamizole (dipyrone) as an interferent in biochemical assays	46
Response from the authors	24
Clinical profile and utility of biomarkers in children with cobalamin (vitamin B12) deficiency: A cross-sectional study	23
The effectiveness of an automated algorithm as a tool for investigating the cause of anaemia in undiagnosed patients from general practitioners	21
Elevated Vitamin D leading to an Incidental Diagnosis of Multiple Myeloma	18
Falsely elevated type IV collagen caused in part by heterophilic antibodies: A case report	14
A multicenter study comparing a point-of-care blood glucose metre with a blood gas analyser in infants by the Shikoku Neonatal Medical Research Group	14
Response to the letter to the editor by Drs Burmeister and Zazay regarding “NT-proBNP and its correlation with left ventricular ejection fraction and heart failure: The DEMONSTRATE database	13
Pseudohyperphosphatemia in multiple myeloma: Removal of interfering paraproteins	9
Determination and verification of reference intervals of serum immunoglobulin G at birth	9
Development and validation of interpretable machine learning models to predict glomerular filtration rate in chronic kidney disease Colombian patients	8
The influence of haemolysis in patient samples on biochemical tests analysed using Roche Cobas ^® 8000 analyzer	8
Familial hypercholesterolaemia with high triglycerides: A diagnostic challenge	8
Elevated lactate dehydrogenase and reflexive myeloproliferative neoplasm molecular diagnostics	8
Effect of albumin measurement methods on the albumin–bilirubin grade	7
Reference intervals of urinary kidney injury biomarkers for middle-aged men and women determined by quantitative protein mass spectrometry	7
Usefulness of the 3-hydroxykynurenine/kynurenic acid ratio as a diagnostic biomarker for diffuse larger B-cell lymphoma	7
Incidental diagnosis of glycerol kinase deficiency during investigation of hyponatraemia and acute kidney injury	7
Bilirubin interference on a Roche creatinine enzymatic method	7
Age-related reference intervals for thyroid function tests are beneficial in adults over 60 years	7
Establishment of reference intervals for plasma metanephrines in seated position measured by LC-MS/MS and assessment of diagnostic performance in pheochromocytoma/paraganglioma	6
Performance validation and clinical utility of a smartphone-based colorimetric system for differentiating exudative and transudative pleural effusions and ascites via total protein quantification	6
LabMedUK25 Conference Manchester – Editorial	6
Evaluation of an automated device for fingertip blood collection by comparing test results with venous blood	6
Testing for lactase non-persistence in a Dutch population: Genotyping versus the hydrogen breath test	6

Effect of multiple loading FIT sample collection devices on faecal haemoglobin concentration	6
Standardising lipid testing and reporting in the United Kingdom; a joint statement by HEART UK and The Association for Laboratory Medicine	6
Evaluation of a laboratory reflex testing protocol to detect hypopituitarism in primary care presenting as hypothyroxinaemia	6
Is improved folate status in Northern Ireland a result of improved analytical performance or the implementation of folic acid fortification of flour legislation?	6
Detection of serum M-protein in acetonitrile precipitates by MALDI-TOF mass spectrometry: A novel, low-cost methodology	6
Sweat testing and cystic fibrosis – Test performance before and after a quality improvement project in a South African tertiary hospital laboratory	6
A SARS-CoV-2 minimum data standard to support national serology reporting	6
Thyroid reference ranges in pregnancy utilizing an Abbott Alinity platform in a multi-ethnic population in the UK	5
Vitamin B12 reference intervals on Beckman, Roche and Siemens analytical platforms	5
Corrigendum to “Improvement of point of care testing device for accurate whole blood glucose measurement in early neonates”	5
Variability in SHBG assays and the effect thereof on calculated estimates of free testosterone	5
Coefficients of variation analyses of internal quality control status for blood lead in China from 2015 to 2023	5
Practical approaches to the detection of macrotroponin	5
Evaluation of the new Abbott®Alinity assay for the measurement of thyroglobulin antibodies in patients with differentiated thyroid carcinoma	5
Metronidazole is a chromatographic interference on a routine HPLC-UV assay for thiopurine metabolites	5
Measurement of uric acid in FC Mix tubes is not accurate	5
Diagnostic performance of FOB Gold® in symptomatic primary care patients	5
Cross-sectional audit assessing the quality of dried bloodspot specimens received by UK metabolic biochemistry laboratories for the biochemical monitoring of individuals with Phenylketonuria	5
The CELTIC ranges project (comprehensive and effective laboratory test reference intervals for Irish children) methodology and results for renal profile tests in plasma on the Roche modular	4
Comparison of faecal calprotectin using two collection and extraction strategies for the BÜHLMANN CALEX® Cap – possible implications for clinical cut-offs?	4
Maintaining glucose integrity ex-vivo: Impact of preanalytical specimen handling	4
Is there utility in testing IgA-endomysial antibodies in patients with weak-positive or equivocal IgA-tissue transglutaminase antibodies in the diagnosis of coeliac disease? A critique of current NICE	4
From interpretable NT-proBNP prediction to equitable laboratory stewardship	4
Environmental sustainability of clinical laboratories: A scoping review	4
A method comparison of the Roche intact PTH method versus the Roche whole PTH (1-84) method: Examining the differences based on eGFR	4
Quantitative effects of bilirubin structural photoisomers on the measurement of direct bilirubin via the vanadate oxidation method	4
Quality control of total carbon dioxide (CO ₂ ) in serum or plasma using the Abbott Architect is affected by environmental pCO	4
Elevated haemoglobin A1c confounds thalassaemia diagnosis by lowering HbA2 levels	3
Elevated CA19-9 in IgG4-related disease	3
Application of serum pools in insulin harmonization: Commutability and stability	3
Glycated albumin and post-transplant diabetes mellitus in kidney transplant recipients	3
Establishment of sex-specific reference intervals for PIVKA-II in Southwest China: A real-world data analysis	3
PCSK9 in critical illness – It’s not all about lipids	3
The effect of extended pre-analytical time on reported chance as part of the foetal anomaly screening programme	3
Reference intervals for clinical biochemistry and haematology tests during normal pregnancy	3
Diurnal variation in salivary testosterone independent of food consumption	3
Systematic identification of human anti-mouse antibody interference causing falsely elevated B-type natriuretic peptide: A case study	3
Interference in immunoassay	3
A United Kingdom-wide audit of the laboratory investigation of primary aldosteronism	3
Increased PD-1 expression of bone marrow T-cells in acute myeloid leukaemia patients after stem cell transplantation, and its association with overall survival	3
NT-proBNP and its correlation to left ventricular ejection fraction and heart failure – The DEMONSTRATE database	3
Enhancing laboratory quality through comprehensive risk management and process analysis	3
Clinical performance of a urine albumin-to-creatinine ratio (ACR) strip test compared with quantitative measurement	3
Interferences in immunoassay: An estimate based on ‘real-world’ experience	3
Pregnancy-specific reference intervals: should we exclude women based on body mass index?	3
The application and interpretation of laboratory biomarkers for the evaluation of vitamin B12 status	3
Low serum carnitine level is associated with increased urinary carnitine excretion in late pregnancy	3
A UK & Ireland national audit of urine acidification	3
High serum total vitamin B12 may mask biologically active B12 deficiency	3
Importance of the preanalytical phase: Elevation of protein levels in cerebrospinal fluid samples due to inappropriate containers	3

Thiopurine S-methyltransferase (TPMT) activity cutoffs in the Thai population	3
The preliminary study of delta checks for immunoglobulins and complements in the clinical laboratory	3
Biochemical osteomalacia in adults undergoing vitamin D testing in the North-East of Scotland	3