OOIR: Observatory of International Research

Papers

(The H4-Index of Clinical Chemistry and Laboratory Medicine is 33. 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 2022-06-01 to 2026-06-01.)

Article	Citations
Performance of the 2009 CKDEPI, 2021 CKDEPI, and EKFC equations among high-risk patients in Denmark	140
Plenary 4 - Diagnostic advances in dementia	130
Analytical performance specifications for trace elements in biological fluids derived from six countries federated external quality assessment schemes over 10 years	107
Moving average quality control of routine chemistry and hematology parameters – a toolbox for implementation	91
Analytical interference of intravascular contrast agents with clinical laboratory tests: a joint guideline by the ESUR Contrast Media Safety Committee and the Preanalytical Phase Working Group of the	75
COVID-19	73
Acetylcholine receptor and muscle-specific tyrosine kinase antibodies detection: is it time for a change?	73
From assessment to action: experience from a quality improvement initiative integrating indicator evaluation and adverse event analysis in a clinical laboratory	67
Multiplex proteomics using proximity extension assay for the identification of protein biomarkers predictive of acute graft-vs.-host disease in allogeneic hematopoietic cell transplantation	63
SYMPOSIUM 7 - Medical test standardization in the era of Metrological Traceability: who is accountable?	62
ROUND-TABLE 1 - Beyond the Numbers: Integrating Laboratory and Clinical Perspectives on Thyroid Health	60
Frontmatter	55
An isotope dilution-liquid chromatography-tandem mass spectrometry (ID-LC-MS/MS)-based candidate reference measurement procedure (RMP) for the quantification of aldosterone in human serum and plasma	52
Toward neonatal analytical stewardship: building on Cadamuro et al.’s minimum-volume framework	50
Quantification of blood glial fibrillary acidic protein using a second-generation microfluidic assay. Validation and comparative analysis with two established assays	50
Design of an algorithm for the detection of intravenous fluid contamination in clinical laboratory samples	48
Serum protein electrophoresis pattern associated with elevated polyclonal IgG4 concentrations: a monoclonal-mimicking profile with potentially significant clinical implications	47
Annual meeting of the Royal Belgian Society of Laboratory Medicine (RBSLM): “Beyond the Surface – Clinical biology of the apparently healthy individual”	45
An automatic chemiluminescence immunoassay for a novel biomarker NT-IGFBP-4: analytical performance and clinical relevance in heart failure	44
7th EFLM Conference on Preanalytical Phase	44
Diagnostic performance of machine learning models using cell population data for the detection of sepsis: a comparative study	43
Cell population data: much more to explore	41
EN ISO 15189 revision: EFLM Committee Accreditation and ISO/CEN standards (C: A/ISO) analysis and general remarks on the changes	40
Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part II – EQA cycles	39
Presence of SARS-CoV-2 RNA in COVID-19 survivors with post-COVID symptoms: a systematic review of the literature	37

Stability of different biochemical parameters in pooled left-over sera stored for 14 days after pooling either at room temperature or at 2–10 °C	37
Small-scale external quality assessment of methylated SHOX2 and RASSF1A detection in China: findings from	36
Multicenter study to compare the diagnostic performance of CLIA vs. FEIA transglutaminase IgA assays for the diagnosis of celiac disease	35
Differences in laboratory reporting of thyroglobulin antibody positivity – a national survey across laboratories in the Netherlands	35
Serial measurement of circulating calprotectin as a prognostic biomarker in COVID-19 patients in intensive care setting	35
Laboratory quality indicators: persistent variability despite international harmonization efforts	35
Personalized reference intervals based on biological variation: a critical evaluation of strengths and limitations	33
Evaluation of the analytical and clinical performance of a new high-sensitivity cardiac troponin I assay: hs-cTnI (CLIA) assay	33