OOIR: Observatory of International Research

Papers

(The TQCC of Biochemia Medica 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 2021-08-01 to 2025-08-01.)

Article	Citations
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	112
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	21
Proposal for delta check limits of frequently requested hormones using real-world data	21
Concordance of apolipoprotein B concentration with the Friedewald, Martin-Hopkins, and Sampson formulas for calculating LDL cholesterol	18
Extracellular vesicles and glycans	17
Antiphospholipid antibodies in patients with antiphospholipid syndrome	17
National recommendations of the Working group for laboratory diagnostics of autoimmune diseases of the Croatian Society of Medical Biochemistry and Laboratory Medicine	16
Androgens in women: Establishing reference intervals for dehydroepiandrostenedione sulphate and androstenedione on the Roche Cobas	16
The apparent prevalence, the true prevalence	15
Two cases with discrepancy in the quantitative cytological assessment of cerebrospinal fluid in neonatal samples using light microscopy in comparison with Sysmex XN-1000	11
Interference of anti-nuclear antibodies on determination of anti-neutrophil cytoplasmic antibodies in patients suspected of vasculitis	10
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	10
A case report of biclonal immunoglobulin D lambda/lambda multiple myeloma in patient with liver echinococcosis	10
A case of vitamin B12 deficiency neurological syndrome in a young adult due to late-onset cobalamin C (CblC) deficiency	9
A case of discrepant laboratory results in samples obtained from a central venous catheter and peripheral veins: when solving a pre-analytical mystery could improve patient care	8
Determination of cystatin C reference interval for children in Croatia	8
Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications	7
Detection of preanalytical errors in arterial blood gas analysis	7
The impact of demand management on vitamin D testing	7
Interpretative comments - need for harmonization? Results of the Croatian survey by the Working Group for Post-analytics	6
Introducing prediction intervals for sample means	6
Blood alcohol concentration in the clinical laboratory: a narrative review of the preanalytical phase in diagnostic and forensic testing	6
Inter-rater reliability assessment for the new-born screening quality assurance	6
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	6
Complete blood count alterations in COVID-19 patients	5

Verification of a 6-part differential haematology analyser Siemens Advia 2120i	5
Effects of specimen haemolysis on complete blood count results by Abbott Alinity hq System	5
Wilfully submitting to and publishing in predatory journals - a covert form of research misconduct?	5
Laboratory medicine and sports	5
An analysis of the vitamin D overtesting in a tertiary healthcare centre	5
Moving average procedures as an additional tool for real-time analytical quality control	5
Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children	5
Elevated plasma pyruvate kinase M2 concentrations are associated with the clinical severity and prognosis of coronary artery disease	5
Strategic use of Big Data	4
Reply to letters to the editor entitled “Bias, the unfinished symphony” and “Bias estimation for Sigma metric calculation arithmetic mean versus quadratic mean”	4
Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	4
What did CRISPR-Cas9 accomplish in its first 10 years?	4
Detection of macroenzymes	4
Reporting LDL cholesterol results by clinical biochemistry laboratories in Czechia and Slovakia to improve the detection rate of familial hypercholesterolemia	4
Performance evaluation of the high sensitive troponin I assay on the Atellica IM analyser	4
Telomere length and oxidative stress in small cell lung cancer patients changes through chemotherapy cycles compared to healthy controls	4
Post-exercise creatine kinase variability	4
Your article needs revision? – How to improve it successfully and answer to the reviewers’ comments	3
Bilirubin – new insights into an old molecule	3
National recommendations of the Working Group for Post-analytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine	3
Diagnostic challenges of diabetic kidney disease	3
Use of Hoteling’s T2 multivariate control chart for effective monitoring of a laboratory test with a 3-level quality control scheme	3
Verification of Atellica 1500 and comparison with Iris urine analyser and urine culture	3
Post-GDPR survey of data protection officers in research and non-research institutions in Croatia	3
Seroprevalence of SARS-CoV-2 in Croatian solid-organ transplant recipients	3
Challenges of providing biochemistry results in a patient with Evans syndrome	3
A novel approach for more precise quantification of M-protein using variables derived from immunosubtraction electropherogram and associated biochemistry analytes	3