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 2021-09-01 to 2025-09-01.)

Article	Citations
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	113
Proposal for delta check limits of frequently requested hormones using real-world data	23
Concordance of apolipoprotein B concentration with the Friedewald, Martin-Hopkins, and Sampson formulas for calculating LDL cholesterol	21
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	21
Androgens in women: Establishing reference intervals for dehydroepiandrostenedione sulphate and androstenedione on the Roche Cobas	17
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
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	12
A case report of biclonal immunoglobulin D lambda/lambda multiple myeloma in patient with liver echinococcosis	11
Interference of anti-nuclear antibodies on determination of anti-neutrophil cytoplasmic antibodies in patients suspected of vasculitis	10
A case of vitamin B12 deficiency neurological syndrome in a young adult due to late-onset cobalamin C (CblC) deficiency	10
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	10
Determination of cystatin C reference interval for children in Croatia	8
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
Blood alcohol concentration in the clinical laboratory: a narrative review of the preanalytical phase in diagnostic and forensic testing	7
The impact of demand management on vitamin D testing	7
Detection of preanalytical errors in arterial blood gas analysis	7
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	6
Moving average procedures as an additional tool for real-time analytical quality control	6
Inter-rater reliability assessment for the new-born screening quality assurance	6
Wilfully submitting to and publishing in predatory journals - a covert form of research misconduct?	6
Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications	6
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
Laboratory medicine and sports	5
Elevated plasma pyruvate kinase M2 concentrations are associated with the clinical severity and prognosis of coronary artery disease	5
Reply to letters to the editor entitled “Bias, the unfinished symphony” and “Bias estimation for Sigma metric calculation arithmetic mean versus quadratic mean”	5
Performance evaluation of the high sensitive troponin I assay on the Atellica IM analyser	5
Verification of a 6-part differential haematology analyser Siemens Advia 2120i	5
An analysis of the vitamin D overtesting in a tertiary healthcare centre	5
Strategic use of Big Data	5
Complete blood count alterations in COVID-19 patients	5
Effects of specimen haemolysis on complete blood count results by Abbott Alinity hq System	5
Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children	5
Telomere length and oxidative stress in small cell lung cancer patients changes through chemotherapy cycles compared to healthy controls	5
Detection of macroenzymes	4
Post-exercise creatine kinase variability	4
Seroprevalence of SARS-CoV-2 in Croatian solid-organ transplant recipients	4
What did CRISPR-Cas9 accomplish in its first 10 years?	4
Your article needs revision? – How to improve it successfully and answer to the reviewers’ comments	4
Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	4
Reporting LDL cholesterol results by clinical biochemistry laboratories in Czechia and Slovakia to improve the detection rate of familial hypercholesterolemia	4
Bilirubin – new insights into an old molecule	4
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
Use of Hoteling’s T2 multivariate control chart for effective monitoring of a laboratory test with a 3-level quality control scheme	3
Post-GDPR survey of data protection officers in research and non-research institutions in Croatia	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
Paraoxonase and arylesterase activity of paraoxonase 1 and oxidative stress parameters in cervical intraepithelial neoplasia	3
Verification of Atellica 1500 and comparison with Iris urine analyser and urine culture	3
Routine data analysis for moderate hemolysis interference correction in neuron specific enolase quantification	2
Artificial intelligence and thyroid disease management	2
Association of inflammatory markers with depression and anxiety in female patients with primary Sjögren’s syndrome	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
Analytical verification of the Dymind D7-CRP automated analyser	2
Designing and validating an autoverification system of biochemical test results in Hatay Mustafa Kemal University, clinical laboratory	2
Reevaluation of von Willebrand disease diagnosis in a Croatian paediatric cohort combining bleeding scores, phenotypic laboratory assays and next generation sequencing	2
Evaluation of the clinical chemistry tests analytical performance with Sigma Metric by using different quality specifications - Comparison of analyser actual performance with manufacturer data	2
Potential biomarkers and therapeutic targets for obsessive compulsive disorder	2
Impact of fasting duration on LDL cholesterol concentrations estimated by the Friedewald, Martin-Hopkins, and Sampson/NIH equations	2
Practical application of the patient data-based quality control method: the potassium example	2
Laboratory medicine in pandemic of COVID-19	2
A practical approach example to measurement uncertainty	2
The concurrence of the current postanalytical phase management with the national recommendations	2
On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test	2
Macrolipasemia secondary to colon cancer chemotherapy	2
Establishment of age- and -gender specific reference intervals for amino acids and acylcarnitines by tandem mass spectrometry in Turkish paediatric population	2
Long pentraxin 3 as a marker of COVID-19 severity	2
Dynamic profiles and predictive values of some biochemical and haematological quantities in COVID-19 inpatients	2
Cardiac biomarkers in term newborns with common pathological conditions during the first 24 hours postpartum	2
Comparative analysis of the color change in blue-green inclusions within neutrophils between two patients with different clinical outcomes	2
Association of serum ADMA, SDMA and L-NMMA concentrations with disease progression in COVID-19 patients	2

Direct and indirect reference intervals of 25-hydroxyvitamin D	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
Integrating moving average control procedures into the risk-based quality control plan in small-volume medical laboratories	1
Drug interference with biochemical laboratory tests	1
Adapting power calculations to include a superiority margin: what are the implications?	1
Reply to Christelli et al.: Implementation of new Westgard Rules suggested by the Westgard Advisor software for five immunological parameters. What Six Sigma, quality control, the analytical Si	1
The importance of regulation (EU) 2017/746 for quality control in medical laboratories	1
An unusual case of neuroblastoma presenting with prolonged watery diarrhea in a pediatric patient	1
Association of smoking cigarettes, age, and sex with serum concentrations of olanzapine in patients with schizophrenia	1
Fibrin clot interference in a human chorionic gonadotrophin assay causing a false Down syndrome screening result	1
Corrigendum to: Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	1
Bias, the unfinished symphony	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
The LEAP checklist for laboratory evaluation and analytical performance characteristics reporting of clinical measurement procedures	1
The relationship of melatonin concentration in preterm infants and adverse outcomes in the late neonatal period	1
Detecting the interferences in adrenocorticotropic hormone measurement - three cases reinforcing the efficiency of the complementary clinical and laboratory audit	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
False positive result of human chorionic gonadotropin caused by human anti-mouse antibodies	1
Laboratory medicine in arterial hypertension	1
Serum concentration of ferroportin in women of reproductive age	1
Carbohydrate sulfotransferases	1
Diagnostic value and utility of commonly used biomarkers of cardiac and renal function in cardiorenal syndromes	1
Utility of serum indices in a particular case of serum protein electrophoresis	1
Bias estimation for Sigma metric calculation	1
Changing the tide in vitamin D testing: An 8-year review of a demand management approach	1
Corrigendum to: Post-GDPR survey of data protection officers in research and non-research institutions in Croatia: a cross-sectional study	1
Reversible atransferrinemia in a patient with chronic enteropathy	1
Verification policies in Croatian medical biochemistry laboratories	1