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 2022-05-01 to 2026-05-01.)

Article	Citations
Performance of the 2009 CKDEPI, 2021 CKDEPI, and EKFC equations among high-risk patients in Denmark	134
Plenary 4 - Diagnostic advances in dementia	123
Analytical performance specifications for trace elements in biological fluids derived from six countries federated external quality assessment schemes over 10 years	107
COVID-19	87
7th EFLM Conference on Preanalytical Phase	73
EN ISO 15189 revision: EFLM Committee Accreditation and ISO/CEN standards (C: A/ISO) analysis and general remarks on the changes	73
Diagnostic performance of machine learning models using cell population data for the detection of sepsis: a comparative study	66
Overcoming challenges regarding reference materials and regulations that influence global standardization of medical laboratory testing results	64
Discriminating signal from noise: the biological variation of circulating calprotectin in serum and plasma	61
Cell population data: much more to explore	59
Behind the scenes of EQA – characteristics, capabilities, benefits and assets of external quality assessment (EQA): Part II – EQA cycles	58
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	55
Quantification of blood glial fibrillary acidic protein using a second-generation microfluidic assay. Validation and comparative analysis with two established assays	51
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	50
Acetylcholine receptor and muscle-specific tyrosine kinase antibodies detection: is it time for a change?	49
Design of an algorithm for the detection of intravenous fluid contamination in clinical laboratory samples	47
Evaluation of the analytical and clinical performance of a new high-sensitivity cardiac troponin I assay: hs-cTnI (CLIA) assay	45
Multiplex proteomics using proximity extension assay for the identification of protein biomarkers predictive of acute graft-vs.-host disease in allogeneic hematopoietic cell transplantation	44
SYMPOSIUM 7 - Medical test standardization in the era of Metrological Traceability: who is accountable?	44
ROUND-TABLE 1 - Beyond the Numbers: Integrating Laboratory and Clinical Perspectives on Thyroid Health	43
Frontmatter	42
Presence of SARS-CoV-2 RNA in COVID-19 survivors with post-COVID symptoms: a systematic review of the literature	41
Small-scale external quality assessment of methylated SHOX2 and RASSF1A detection in China: findings from	40
Implementation of AI systems in the clinical laboratory: insights from an expert survey and recommendations for best practice	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

Diagnostic performance of a point of care high-sensitivity cardiac troponin I assay and single measurement evaluation to rule out and rule in acute coronary syndrome	36
Not all biases are created equal: how to deal with bias on laboratory measurements	35
Multicenter study to compare the diagnostic performance of CLIA vs. FEIA transglutaminase IgA assays for the diagnosis of celiac disease	35
Measurement uncertainty estimation of free drug concentrations in clinical laboratories using equilibrium dialysis	34
From assessment to action: experience from a quality improvement initiative integrating indicator evaluation and adverse event analysis in a clinical laboratory	34
Results of a SARS-CoV-2 virus genome detection external quality assessment round focusing on sensitivity of assays and pooling of samples	34
Insight into the status of plasma renin and aldosterone measurement: findings from 526 clinical laboratories in China	34
Moving average quality control of routine chemistry and hematology parameters – a toolbox for implementation	33
Toward neonatal analytical stewardship: building on Cadamuro et al.’s minimum-volume framework	33
Machine learning-based delta check method for detecting misidentification errors in tumor marker tests	33