OOIR: Observatory of International Research

Papers

(The median citation count of Biochemia Medica is 1. 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
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	106
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	35
Proposal for delta check limits of frequently requested hormones using real-world data	35
Indirect estimation of serum enzymes reference intervals in adults using the reflimR and refineR algorithms	33
Procollagen I carboxy-terminal propeptide	29
Antiphospholipid antibodies in patients with antiphospholipid syndrome	26
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	18
Androgens in women: Establishing reference intervals for dehydroepiandrostenedione sulphate and androstenedione on the Roche Cobas	16
Development and validation of a HPLC method for therapeutic monitoring of brivaracetam	13
Extrapyramidal and anticholinergic reactions in an adolescent patient: a case for pharmacogenetic consideration	13
Extracellular vesicles and glycans	12
A case report of biclonal immunoglobulin D lambda/lambda multiple myeloma in patient with liver echinococcosis	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	11
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	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	9
Urinary placental growth factor stability as a critical factor in the reliability of preeclampsia diagnosis	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
The impact of demand management on vitamin D testing	8
Determination of cystatin C reference interval for children in Croatia	7
Cross-interference of hemolysis, icterus and lipemia	7
Blood alcohol concentration in the clinical laboratory: a narrative review of the preanalytical phase in diagnostic and forensic testing	7
Preanalytical study concerning the influence of tube type and centrifugation conditions on the concentration of calprotectin in ascites	7
Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications	6

Inter-rater reliability assessment for the new-born screening quality assurance	5
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	5
Laboratory medicine and sports	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
Introducing prediction intervals for sample means	4
Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children	4
Elevated plasma pyruvate kinase M2 concentrations are associated with the clinical severity and prognosis of coronary artery disease	4
Telomere length and oxidative stress in small cell lung cancer patients changes through chemotherapy cycles compared to healthy controls	4
Challenges of providing biochemistry results in a patient with Evans syndrome	3
Analytical verification of the Dymind D7-CRP automated analyser	3
Strategic use of Big Data: implementing reference intervals for serum folate and serum cobalamin	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
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
A novel approach for more precise quantification of M-protein using variables derived from immunosubtraction electropherogram and associated biochemistry analytes	3
What did CRISPR-Cas9 accomplish in its first 10 years?	3
Detection of macroenzymes	3
Use of Hoteling’s T2 multivariate control chart for effective monitoring of a laboratory test with a 3-level quality control scheme	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
Bilirubin – new insights into an old molecule	3
Claudins proteins in brain tumors	3
Post-exercise creatine kinase variability: a literature review	3
Diagnostic challenges of diabetic kidney disease	3
Comparative analysis of the color change in blue-green inclusions within neutrophils between two patients with different clinical outcomes	2
A practical approach example to measurement uncertainty	2
First trimester of pregnancy TSH laboratory specific reference intervals established by an indirect method	2
Maternal serum steroid hormones in vaginal delivery and caesarean section	2
Point of care testing in Croatia: a survey of the Working group for point of care testing of the Croatian society of medical biochemistry and laboratory medicine	2
Establishment of age- and -gender specific reference intervals for amino acids and acylcarnitines by tandem mass spectrometry in Turkish paediatric population	2
A challenging laboratory case due to inappropriate sampling through an antiseptic barrier cap	2
Optimization of icterus interference thresholds for 45 parameters on the Atellica analyzers CH930 and IM1300	2
Application and insights on patient-based real-time quality control detecting undetected errors in internal quality control through daily antibody positivity rate analysis	2
Association of serum ADMA, SDMA and L-NMMA concentrations with disease progression in COVID-19 patients	2
Serum hepcidin concentration is lower in advanced stages of sporadic colorectal cancer	2
Potential biomarkers and therapeutic targets for obsessive compulsive disorder	2
Association of inflammatory markers with depression and anxiety in female patients with primary Sjögren’s syndrome	2
Cardiac biomarkers in term newborns with common pathological conditions during the first 24 hours postpartum	2
National recommendations of the Working Group for Post-analytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine: implementation of autovalidation procedures	2
Practical application of the patient data-based quality control method: the potassium example	2
On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test	2
Designing and validating an autoverification system of biochemical test results in Hatay Mustafa Kemal University, clinical laboratory	2
Impact of fasting duration on LDL cholesterol concentrations estimated by the Friedewald, Martin-Hopkins, and Sampson/NIH equations	2
False positive result of human chorionic gonadotropin caused by human anti-mouse antibodies	1
Laboratory medicine in arterial hypertension	1
Detecting the interferences in adrenocorticotropic hormone measurement - three cases reinforcing the efficiency of the complementary clinical and laboratory audit	1
Bias, the unfinished symphony	1
Drug interference with biochemical laboratory tests	1
Diagnostic value and utility of commonly used biomarkers of cardiac and renal function in cardiorenal syndromes	1
Myocardial fibrosis and viability	1

Corrigendum to: Refining quality control strategies in highly automated laboratories: experience in the integration of multistage statistical designs and risk management	1
Is the urinary neutrophil gelatinase-associated lipocalin concentration in children and adolescents with type 1 diabetes mellitus different from that in healthy children?	1
Proteomics in myelodysplastic syndromes	1
Fibrin clot interference in a human chorionic gonadotrophin assay causing a false Down syndrome screening result	1
Dendritic cells in hematologic malignancies a brief review of immunoregulation to new perspectives	1
Bias estimation for Sigma metric calculation	1
National recommendations of the Working Group for Postanalytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine	1
The LEAP checklist for laboratory evaluation and analytical performance characteristics reporting of clinical measurement procedures	1
Reversible atransferrinemia in a patient with chronic enteropathy	1
The cancer ratio plus in the differential diagnosis of pleural effusions	1
The relationship of melatonin concentration in preterm infants and adverse outcomes in the late neonatal period	1
Automated Aerospray Hematology PRO staining shows good agreement for mature leukocytes but limited diagnostic reliability for immature forms	1
Changing the tide in vitamin D testing: An 8-year review of a demand management approach	1
Serum concentration of ferroportin in women of reproductive age	1
Routine data analysis for moderate hemolysis interference correction in neuron specific enolase quantification	1
Association of smoking cigarettes, age, and sex with serum concentrations of olanzapine in patients with schizophrenia	1
Utility of serum indices in a particular case of serum protein electrophoresis	1
National recommendations of the Croatian society of medical biochemistry and laboratory medicine: Thyroid function tests from the laboratory point of view	1
Factors associated with Gla-rich protein serum concentrations in healthy adults	1
Adapting power calculations to include a superiority margin: what are the implications?	1
Laboratory policies and practices for thyroid function tests in Croatia: survey on behalf of Working Group for Laboratory Endocrinology of the Croatian Society of Medical Biochemistry and Laboratory M	1
Direct and indirect reference intervals of 25-hydroxyvitamin D	1
An unusual case of neuroblastoma presenting with prolonged watery diarrhea in a pediatric patient	1