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

Article	Citations
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	30
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	30
Procollagen I carboxy-terminal propeptide: a multi-faceted biomarker	28
Proposal for delta check limits of frequently requested hormones using real-world data	27
Indirect estimation of serum enzymes reference intervals in adults using the reflimR and refineR algorithms	25
Antiphospholipid antibodies in patients with antiphospholipid syndrome	25
The apparent prevalence, the true prevalence	22
Extracellular vesicles and glycans	15
Extrapyramidal and anticholinergic reactions in an adolescent patient: a case for pharmacogenetic consideration	14
Development and validation of a HPLC method for therapeutic monitoring of brivaracetam	14
Androgens in women: Establishing reference intervals for dehydroepiandrostenedione sulphate and androstenedione on the Roche Cobas	12
A case report of biclonal immunoglobulin D lambda/lambda multiple myeloma in patient with liver echinococcosis	12
National recommendations of the Working group for laboratory diagnostics of autoimmune diseases of the Croatian Society of Medical Biochemistry and Laboratory Medicine: Assessment of antineutrophil cy	12
Interference of anti-nuclear antibodies on determination of anti-neutrophil cytoplasmic antibodies in patients suspected of vasculitis	11
The association between cholesterol efflux capacity and apolipoprotein A1	10
Urinary placental growth factor stability as a critical factor in the reliability of preeclampsia diagnosis	10
Two cases with discrepancy in the quantitative cytological assessment of cerebrospinal fluid in neonatal samples using light microscopy in comparison with Sysmex XN-1000	9
Tumour lysis syndrome in the setting of a high-grade B-cell lymphoma with primary bone marrow localization – a case report	9
A case of vitamin B12 deficiency neurological syndrome in a young adult due to late-onset cobalamin C (CblC) deficiency	9
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	9
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
Preanalytical study concerning the influence of tube type and centrifugation conditions on the concentration of calprotectin in ascites	6
Blood alcohol concentration in the clinical laboratory: a narrative review of the preanalytical phase in diagnostic and forensic testing	6
The impact of demand management on vitamin D testing	6

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	6
Detection of preanalytical errors in arterial blood gas analysis	6
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	6
Inter-rater reliability assessment for the new-born screening quality assurance	5
Laboratory medicine and sports	5
Verification of a 6-part differential haematology analyser Siemens Advia 2120i	5
Introducing prediction intervals for sample means	5
Elevated plasma pyruvate kinase M2 concentrations are associated with the clinical severity and prognosis of coronary artery disease	5
An analysis of the vitamin D overtesting in a tertiary healthcare centre	4
Strategic use of Big Data: implementing reference intervals for serum folate and serum cobalamin	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
Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children	4
Telomere length and oxidative stress in small cell lung cancer patients changes through chemotherapy cycles compared to healthy controls	4
Performance evaluation of the high sensitive troponin I assay on the Atellica IM analyser	3
Reporting LDL cholesterol results by clinical biochemistry laboratories in Czechia and Slovakia to improve the detection rate of familial hypercholesterolemia	3
Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	3
Influence of LDL cholesterol and Lp(a) on monocytes and macrophages in atherosclerosis	3
Paraoxonase and arylesterase activity of paraoxonase 1 and oxidative stress parameters in cervical intraepithelial neoplasia	3
Claudins proteins in brain tumors	3
Post-exercise creatine kinase variability: a literature review	3
Use of Hoteling’s T2 multivariate control chart for effective monitoring of a laboratory test with a 3-level quality control scheme	3
Orthopedic trauma is associated with higher serum concentrations of glial fibrillary acidic protein and ubiquitin C-terminal hydrolase L1 in mild traumatic brain injury with negative head computed tom	3
Diagnostic challenges of diabetic kidney disease	3
Detection of macroenzymes	3
What did CRISPR-Cas9 accomplish in its first 10 years?	3
Bilirubin – new insights into an old molecule	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