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 2022-08-01 to 2026-08-01.)

Article	Citations
Performance of the 2009 CKDEPI, 2021 CKDEPI, and EKFC equations among high-risk patients in Denmark	143
Plenary 4 - Diagnostic advances in dementia	111
Analytical performance specifications for trace elements in biological fluids derived from six countries federated external quality assessment schemes over 10 years	105
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	93
COVID-19	78
From assessment to action: experience from a quality improvement initiative integrating indicator evaluation and adverse event analysis in a clinical laboratory	76
Multiplex proteomics using proximity extension assay for the identification of protein biomarkers predictive of acute graft-vs.-host disease in allogeneic hematopoietic cell transplantation	73
SYMPOSIUM 7 - Medical test standardization in the era of Metrological Traceability: who is accountable?	70
ROUND-TABLE 1 - Beyond the Numbers: Integrating Laboratory and Clinical Perspectives on Thyroid Health	68
Frontmatter	66
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	59
Annual meeting of the Royal Belgian Society of Laboratory Medicine (RBSLM): “Beyond the Surface – Clinical biology of the apparently healthy individual”	56
Toward neonatal analytical stewardship: building on Cadamuro et al.’s minimum-volume framework	56
7th EFLM Conference on Preanalytical Phase	53
Diagnostic performance of machine learning models using cell population data for the detection of sepsis: a comparative study	52
Small-scale external quality assessment of methylated SHOX2 and RASSF1A detection in China: findings from	52
Multicenter study to compare the diagnostic performance of CLIA vs. FEIA transglutaminase IgA assays for the diagnosis of celiac disease	48
Serial measurement of circulating calprotectin as a prognostic biomarker in COVID-19 patients in intensive care setting	48
Measurement uncertainty estimation of free drug concentrations in clinical laboratories using equilibrium dialysis	47
Evaluation of the analytical and clinical performance of a new high-sensitivity cardiac troponin I assay: hs-cTnI (CLIA) assay	47
A novel LC-MS/MS-based assay for the simultaneous quantification of aldosterone-related steroids in human urine	43
Web-accessible critical limits and critical values for urgent clinician notification	42
Discriminating signal from noise: the biological variation of circulating calprotectin in serum and plasma	41
Quantification of blood glial fibrillary acidic protein using a second-generation microfluidic assay. Validation and comparative analysis with two established assays	40
Frontmatter	40

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
Laboratory quality indicators: persistent variability despite international harmonization efforts	37
Not all biases are created equal: how to deal with bias on laboratory measurements	36
Personalized reference intervals based on biological variation: a critical evaluation of strengths and limitations	35
Machine learning-based delta check method for detecting misidentification errors in tumor marker tests	35
Serum protein electrophoresis pattern associated with elevated polyclonal IgG4 concentrations: a monoclonal-mimicking profile with potentially significant clinical implications	34
Moving average quality control of routine chemistry and hematology parameters – a toolbox for implementation	34
Differences in laboratory reporting of thyroglobulin antibody positivity – a national survey across laboratories in the Netherlands	33