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

Article	Citations
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	30
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	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
Antiphospholipid antibodies in patients with antiphospholipid syndrome	25
Indirect estimation of serum enzymes reference intervals in adults using the reflimR and refineR algorithms	25
The apparent prevalence, the true prevalence	22
Extracellular vesicles and glycans	15
Development and validation of a HPLC method for therapeutic monitoring of brivaracetam	14
Extrapyramidal and anticholinergic reactions in an adolescent patient: a case for pharmacogenetic consideration	14
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
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
Interference of anti-nuclear antibodies on determination of anti-neutrophil cytoplasmic antibodies in patients suspected of vasculitis	11
Urinary placental growth factor stability as a critical factor in the reliability of preeclampsia diagnosis	10
The association between cholesterol efflux capacity and apolipoprotein A1	10
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	9
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
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	6
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	6
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
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
Inter-rater reliability assessment for the new-born screening quality assurance	5
Laboratory medicine and sports	5
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
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
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
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
National recommendations of the Working Group for Post-analytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine: implementation of autovalidation procedures	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
Automated Aerospray Hematology PRO staining shows good agreement for mature leukocytes but limited diagnostic reliability for immature forms	2
Artificial intelligence and thyroid disease management	2
Direct and indirect reference intervals of 25-hydroxyvitamin D	2
Serum hepcidin concentration is lower in advanced stages of sporadic colorectal cancer	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
Cardiac biomarkers in term newborns with common pathological conditions during the first 24 hours postpartum	2
Association of inflammatory markers with depression and anxiety in female patients with primary Sjögren’s syndrome	2
On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test	2
Association of serum ADMA, SDMA and L-NMMA concentrations with disease progression in COVID-19 patients	2
Impact of fasting duration on LDL cholesterol concentrations estimated by the Friedewald, Martin-Hopkins, and Sampson/NIH equations	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
First trimester of pregnancy TSH laboratory specific reference intervals established by an indirect method	2
Laboratory medicine in pandemic of COVID-19	2
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
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
Long pentraxin 3 as a marker of COVID-19 severity	2
Potential biomarkers and therapeutic targets for obsessive compulsive disorder	2

Practical application of the patient data-based quality control method: the potassium example	2
Verification policies in Croatian medical biochemistry laboratories	1
Adapting power calculations to include a superiority margin: what are the implications?	1
Dendritic cells in hematologic malignancies: a brief review of immunoregulation to new perspectives	1
Bias estimation for Sigma metric calculation	1
Serum concentration of ferroportin in women of reproductive age	1
An unusual case of neuroblastoma presenting with prolonged watery diarrhea in a pediatric patient	1
Reversible atransferrinemia in a patient with chronic enteropathy	1
Fibrin clot interference in a human chorionic gonadotrophin assay causing a false Down syndrome screening result	1
The cancer ratio plus in the differential diagnosis of pleural effusions	1
Corrigendum to: Refining quality control strategies in highly automated laboratories: experience in the integration of multistage statistical designs and risk management	1
Routine data analysis for moderate hemolysis interference correction in neuron specific enolase quantification	1
Bias, the unfinished symphony	1
Changing the tide in vitamin D testing: An 8-year review of a demand management approach	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
National recommendations of the Working Group for Postanalytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine	1
Laboratory medicine in arterial hypertension	1
Association of smoking cigarettes, age, and sex with serum concentrations of olanzapine in patients with schizophrenia	1
Diagnostic value and utility of commonly used biomarkers of cardiac and renal function in cardiorenal syndromes	1
The LEAP checklist for laboratory evaluation and analytical performance characteristics reporting of clinical measurement procedures	1
National recommendations of the Croatian society of medical biochemistry and laboratory medicine: Thyroid function tests from the laboratory point of view	1
Integrating moving average control procedures into the risk-based quality control plan in small-volume medical laboratories	1
The relationship of melatonin concentration in preterm infants and adverse outcomes in the late neonatal period	1
False positive result of human chorionic gonadotropin caused by human anti-mouse antibodies	1
Detecting the interferences in adrenocorticotropic hormone measurement - three cases reinforcing the efficiency of the complementary clinical and laboratory audit	1
Corrigendum to: Post-GDPR survey of data protection officers in research and non-research institutions in Croatia: a cross-sectional study	1