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

Article	Citations
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	28
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	24
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	22
Antiphospholipid antibodies in patients with antiphospholipid syndrome	21
Androgens in women: Establishing reference intervals for dehydroepiandrostenedione sulphate and androstenedione on the Roche Cobas	14
Extracellular vesicles and glycans	13
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	13
A case report of biclonal immunoglobulin D lambda/lambda multiple myeloma in patient with liver echinococcosis	12
The apparent prevalence, the true prevalence	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
A case of vitamin B12 deficiency neurological syndrome in a young adult due to late-onset cobalamin C (CblC) deficiency	8
Determination of cystatin C reference interval for children in Croatia	8
Two cases with discrepancy in the quantitative cytological assessment of cerebrospinal fluid in neonatal samples using light microscopy in comparison with Sysmex XN-1000	8
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	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
Detection of preanalytical errors in arterial blood gas analysis	7
The impact of demand management on vitamin D testing	7
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	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
Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications	6
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

Reply to letters to the editor entitled “Bias, the unfinished symphony” and “Bias estimation for Sigma metric calculation arithmetic mean versus quadratic mean”	5
Strategic use of Big Data: implementing reference intervals for serum folate and serum cobalamin	5
Interpretative comments - need for harmonization? Results of the Croatian survey by the Working Group for Post-analytics	5
Verification of a 6-part differential haematology analyser Siemens Advia 2120i	5
Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children	5
An analysis of the vitamin D overtesting in a tertiary healthcare centre	5
Laboratory medicine and sports	5
Moving average procedures as an additional tool for real-time analytical quality control	5
Telomere length and oxidative stress in small cell lung cancer patients changes through chemotherapy cycles compared to healthy controls	5
Claudins proteins in brain tumors: expression patterns and therapeutic target	4
Detection of macroenzymes	4
Performance evaluation of the high sensitive troponin I assay on the Atellica IM analyser	4
Reporting LDL cholesterol results by clinical biochemistry laboratories in Czechia and Slovakia to improve the detection rate of familial hypercholesterolemia	4
What did CRISPR-Cas9 accomplish in its first 10 years?	4
A novel approach for more precise quantification of M-protein using variables derived from immunosubtraction electropherogram and associated biochemistry analytes	3
Cardiac biomarkers in term newborns with common pathological conditions during the first 24 hours postpartum	3
Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	3
Post-exercise creatine kinase variability: a literature review	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
Use of Hoteling’s T2 multivariate control chart for effective monitoring of a laboratory test with a 3-level quality control scheme	3
Bilirubin – new insights into an old molecule	3
Challenges of providing biochemistry results in a patient with Evans syndrome	3
Analytical verification of the Dymind D7-CRP automated analyser	3
Diagnostic challenges of diabetic kidney disease	3
Verification of Atellica 1500 and comparison with Iris urine analyser and urine culture	3
Association of serum ADMA, SDMA and L-NMMA concentrations with disease progression in COVID-19 patients	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
A practical approach example to measurement uncertainty	2
Laboratory medicine in pandemic of COVID-19	2
On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test	2
Direct and indirect reference intervals of 25-hydroxyvitamin D	2
Impact of fasting duration on LDL cholesterol concentrations estimated by the Friedewald, Martin-Hopkins, and Sampson/NIH equations	2
First trimester of pregnancy TSH laboratory specific reference intervals established by an indirect method	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
National recommendations of the Working Group for Post-analytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine: implementation of autovalidation procedures	2
Association of inflammatory markers with depression and anxiety in female patients with primary Sjögren’s syndrome	2
Maternal serum steroid hormones in vaginal delivery and caesarean section	2
Establishment of age- and -gender specific reference intervals for amino acids and acylcarnitines by tandem mass spectrometry in Turkish paediatric population	2
Artificial intelligence and thyroid disease management	2
Dynamic profiles and predictive values of some biochemical and haematological quantities in COVID-19 inpatients	2
Practical application of the patient data-based quality control method: the potassium example	2
Comparative analysis of the color change in blue-green inclusions within neutrophils between two patients with different clinical outcomes	2
Serum hepcidin concentration is lower in advanced stages of sporadic colorectal cancer	2
Potential biomarkers and therapeutic targets for obsessive compulsive disorder	2
Designing and validating an autoverification system of biochemical test results in Hatay Mustafa Kemal University, clinical laboratory	2
Long pentraxin 3 as a marker of COVID-19 severity	2
Reevaluation of von Willebrand disease diagnosis in a Croatian paediatric cohort combining bleeding scores, phenotypic laboratory assays and next generation sequencing	2
Corrigendum to: Post-GDPR survey of data protection officers in research and non-research institutions in Croatia: a cross-sectional study	1
Fibrin clot interference in a human chorionic gonadotrophin assay causing a false Down syndrome screening result	1

Integrating moving average control procedures into the risk-based quality control plan in small-volume medical laboratories	1
The cancer ratio plus in the differential diagnosis of pleural effusions: a scoping review of current evidence	1
Bias estimation for Sigma metric calculation	1
Verification policies in Croatian medical biochemistry laboratories	1
Detecting the interferences in adrenocorticotropic hormone measurement - three cases reinforcing the efficiency of the complementary clinical and laboratory audit	1
Drug interference with biochemical laboratory tests	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
Is the urinary neutrophil gelatinase-associated lipocalin concentration in children and adolescents with type 1 diabetes mellitus different from that in healthy children?	1
The relationship of melatonin concentration in preterm infants and adverse outcomes in the late neonatal period	1
Laboratory medicine in arterial hypertension	1
Bias, the unfinished symphony	1
The LEAP checklist for laboratory evaluation and analytical performance characteristics reporting of clinical measurement procedures	1
Routine data analysis for moderate hemolysis interference correction in neuron specific enolase quantification	1
Adapting power calculations to include a superiority margin: what are the implications?	1
False positive result of human chorionic gonadotropin caused by human anti-mouse antibodies	1
Higher estimated plasma volume status is associated with increased thrombotic risk and impaired survival in patients with primary myelofibrosis	1
Utility of serum indices in a particular case of serum protein electrophoresis	1
Changing the tide in vitamin D testing: An 8-year review of a demand management approach	1
The importance of regulation (EU) 2017/746 for quality control in medical laboratories	1
Serum concentration of ferroportin in women of reproductive age	1
National recommendations of the Croatian society of medical biochemistry and laboratory medicine: Thyroid function tests from the laboratory point of view	1
Diagnostic value and utility of commonly used biomarkers of cardiac and renal function in cardiorenal syndromes	1
Evaluation of the clinical chemistry tests analytical performance with Sigma Metric by using different quality specifications - Comparison of analyser actual performance with manufacturer data	1
Association of smoking cigarettes, age, and sex with serum concentrations of olanzapine in patients with schizophrenia	1
Corrigendum to: Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	1
Carbohydrate sulfotransferases	1
Reversible atransferrinemia in a patient with chronic enteropathy	1
An unusual case of neuroblastoma presenting with prolonged watery diarrhea in a pediatric patient	1