OOIR: Observatory of International Research

Papers

(The TQCC of Annals of Clinical Biochemistry is 2. 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 2021-04-01 to 2025-04-01.)

Article	Citations
Urolithiasis: Don’t forget the rarities	103
Determination and verification of reference intervals of serum immunoglobulin G at birth	39
Artificially raised creatinine concentrations due to analytical interference for samples contaminated with total parenteral nutrition fluid	25
Reducing neonatal phlebotomy blood losses through the accurate calculation of minimum test volume requirements	21
The effectiveness of an automated algorithm as a tool for investigating the cause of anaemia in undiagnosed patients from general practitioners	20
Pregnancy-specific reference intervals: should we exclude women based on body mass index?	17
Methods and reagent-lot comparisons by regression analysis: Sample size considerations	14
Verification of the Bühlmann fPELA turbo faecal elastase assay on the Binding Site Optilite benchtop analyser	13
Exploratory study on reference intervals of calprotectin and pentraxin 3	13
Is there a role for C-reactive protein during and after labour?	13
Explainability does not improve biochemistry staff trust in artificial intelligence-based decision support	11
A survey of practice in the management of haemolysis, icterus and lipaemia in blood specimens in the United Kingdom and Republic of Ireland	11
Maintaining glucose integrity ex-vivo: Impact of preanalytical specimen handling	9
Falsely elevated type IV collagen caused in part by heterophilic antibodies: A case report	9
Do faecal test-based colorectal cancer screening pilots provide data that are reflected in subsequent programmes? Evidence from interval cancer proportions	8
A composite risk model predicts disease progression in early stages of COVID-19: A propensity score-matched cohort study	8
How best to support point-of-care testing in the community?	8
Acceptability of plasma ammonia results when samples are not transported and processed under ideal conditions	8
A UK national audit of the laboratory investigation of phaeochromocytoma and paraganglioma	7
Monoclonal protein polymerisation is the cause of IgM multiple isotype-matched monoclonal proteins	7
An LC-MS/MS assay for analysis of equilibrium angiotensin II in human serum	7
Acquired haemoglobin F (HbF) in HbA1c analysis predating a diagnosis of myelodysplastic syndrome	7
Low serum carnitine level is associated with increased urinary carnitine excretion in late pregnancy	5
Concordance in COVID-19 serology, bone mineralization, and inflammatory analytes between venous and self-collected capillary blood samples exposed to various pre-analytical conditions	5
Reference ranges of thyroid hormones during the first trimester in Catalan women using the Atellica^® IM Solution Immunoassay Analyzer	5

Participant case marks for identical comments in UK-NEQAS for interpretative comments have good precision	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^TM	5
Fibrin monomer complex as a potential thrombosis marker related to venous thromboembolism risk in pregnant women	5
The effects of controlled acute psychological stress on serum cortisol and plasma metanephrine concentrations in healthy subjects	4
Molecular characterization of a novel homozygous deletion in β-globin cluster causing (δβ)⁰-Thalassemia among Tunisian family	4
LabMedUK24 conference Brighton – editorial	4
EDTA plasma in glass and polyethylene terephthalate tubes is suitable for measurement of B-type natriuretic peptide on the Mindray CL-6000i	4
Comparison of three blood collection tubes for 16 biochemical analytes and stability assessment of selected analytes: VACUETTE ^® CAT serum Sep clot activator tube, V	4
Suggested guide to using lactate gap as a surrogate marker in the diagnosis of ethylene glycol overdose	4
The effect of paraprotein polymerisation on quantitation by capillary zone electrophoresis and Hevylite®	4
Elevated Vitamin D leading to an Incidental Diagnosis of Multiple Myeloma	4
The preservation of synovial fluid using dimethyl sulfoxide	4
Lithium heparin interference in the Abbott enzymatic creatinine assay: the significance of under-filled tubes	4
Factors influencing the derivation and clinical application of blood calcium adjustment equations	4
Quality control of total carbon dioxide (CO₂) in serum or plasma using the Abbott Architect is affected by environmental pCO₂ concentrations	4
Updated adult ferritin reference intervals based on a large, healthy UK sample, measured on Roche Cobas series analysers	4
Alternative equations for the calculation of LDL cholesterol: Is it time to replace Friedewald?	4
Biological variation data: An important old topic with new standards and new look resources	4
Uninterpretable cerebrospinal fluid absorbance scans caused by antibiotic therapy	4
Metamizole (dipyrone) as an interferent in biochemical assays	4
Stability of serum retinol-binding protein at −20⁰C	3
Age- and sex-related reference interval for free thyroxine: An indirect approach	3
Implementing cardiovascular precision diagnostics: laboratory specialists as catalysts?	3
Sigma Metrics for Assessing the analytical performance of 14 biochemical analytes in Mansoura University Children’s Hospital laboratories (MUCHLs) using CLIA LIMITS 1988 & 2024	3
Preβ1-high-density lipoprotein binds to TG-rich lipoproteins and its release is impaired in the postprandial state among patients with poorly controlled type 2 diabetes	3
Application of serum pools in insulin harmonization: Commutability and stability	3
Effect of albumin measurement methods on the albumin–bilirubin grade	3
Screening for Cushing’s syndrome: The ‘CS-Screening’ Shiny app	3
Investigation into the linearity of the Roche c 702 carbamazepine assay	3
LC-MS/MS the First 20 years: A Personal View	3
Simultaneous quantification of serum symmetric dimethylarginine, asymmetric dimethylarginine and creatinine for use in a routine clinical laboratory	3
Elevated lactate dehydrogenase and reflexive myeloproliferative neoplasm molecular diagnostics	3
Sample viscosity as a source of analytical error: The role of protein structure and mass concentration	3
Reference intervals of urinary kidney injury biomarkers for middle-aged men and women determined by quantitative protein mass spectrometry	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
Usefulness of the 3-hydroxykynurenine/kynurenic acid ratio as a diagnostic biomarker for diffuse larger B-cell lymphoma	3
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	3
Familial hypercholesterolaemia with high triglycerides: A diagnostic challenge	3
Comparison of four high-throughput, automated immunoassays for the detection of SARS-CoV-2 antibodies	3
Development and validation of interpretable machine learning models to predict glomerular filtration rate in chronic kidney disease Colombian patients	2
Best practice in statistics: The use of log transformation	2
The LEAP checklist for laboratory evaluation and analytical performance characteristics reporting of clinical measurement procedures	2
Development of blood collection tubes for glucose measurement using adenosine 3-phosphate and sodium fluoride as glycolytic inhibitors	2
Climate change and clinical biochemistry	2
Determination of plasma lysophosphatidylethanolamines (lyso-PE) by LC-MS/MS revealed a possible relation between obesity and lyso-PE in Japanese preadolescent children: The Hokkaido study	2
Prognostic significance of serum alkaline phosphatase for all-cause mortality in patients with hypertrophic cardiomyopathy: A cohort of the hospitalized population	2
Utilising routine clinical laboratory data to support quality improvement in health care: Application of a national acute kidney injury alert system as a proof of concept	2
Hepcidin analysis in pneumonia: Comparison of immunoassay and LC-MS/MS	2
The application and interpretation of laboratory biomarkers for the evaluation of vitamin B12 status	2
A United Kingdom-wide audit of the laboratory investigation of primary aldosteronism	2

Variation in liver function testing and the effect of pyridoxal-5-phosphate on ALT, AST and FIB-4 results	2
Determination of the biological variation and reference change value of lipoprotein (a)	2
Validation and clinical evaluation of an ultra-performance liquid chromatography with ultraviolet detector method for plasma quantification of micafungin	2
Reference intervals for thyroid-stimulating hormone, free thyroxine, free triiodothyronine, and total triiodothyronine in the Lebanese adult population	2
Key methodological challenges in detecting circulating miRNAs in different biofluids	2
Testing for lactase non-persistence in a Dutch population: Genotyping versus the hydrogen breath test	2
Interference in immunoassay	2
Diagnostic performance of serum calprotectin in discriminating active from inactive ulcerative colitis in an outpatient setting	2
Use of eGFR instead of creatinine in exclusion criteria for derivation of calcium adjustment equation	2
Validation of the Randox colorimetric assays for serum copper and zinc	2
Recent developments in the measurement and application of small dense LDL-cholesterol	2
The effect of lithium variation coefficient on the risk of attack in patients with bipolar disorder: A pilot study	2
Monitoring motherhood: Monitoring and optimizing glycaemia in women with pre-existing diabetes in pregnancy	2
Acid freezes uricolysis in addition to glycolysis: Utility of fluoride-EDTA-citrate tube in the measurement of uric acid for patients administered rasburicase	2
Purple urine in Berdon syndrome: a rare finding in the clinic laboratory	2
Paired copy number variation analysis in siblings discordant for familial Parkinson’s disease	2
Example of use of clock time-dependent targets for patient-based quality control	2
A standard addition method to quantify serum lithium by inductively coupled plasma mass spectrometry	2
Salivary testosterone changes during oral glucose tolerance tests in overweight and obese men – Postprandial or circadian variation?	2
Evaluation of the quick-clotting serum separator tube, VQ-Tube™, for clinical chemistry and thyroid hormone assays	2
Analytical characterization and clinical performance evaluation of a new point-of-care testing system for high-sensitivity cardiac troponin I assay	2
Authors’ reply to ‘Plasma clearance and lipaemic index of lipid emulsion used for lipid emulsion treatment’	2
The use of estimated Glomerular Filtration rate (GFR) in identifying pseudohyperkalaemia in primary care	2
UKMedLab2022 conference—building back	2
Dataset dependency of low-density lipoprotein-cholesterol estimation by machine learning	2
Population-specific adjusted calcium equations	2