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 2021-06-01 to 2025-06-01.)

Article	Citations
Antiphospholipid antibodies in patients with antiphospholipid syndrome	107
CLSI-based verification and de novo establishment of reference intervals for common biochemical assays in Croatian newborns	24
Proposal for delta check limits of frequently requested hormones using real-world data	19
The influence of calibration on bias in quality control and patient results for TSH on Vitros XT 7600 analyzer	19
Concordance of apolipoprotein B concentration with the Friedewald, Martin-Hopkins, and Sampson formulas for calculating LDL cholesterol	17
Recommendations for the application and follow-up of quality controls in medical laboratories	16
The apparent prevalence, the true prevalence	16
Androgens in women: Establishing reference intervals for dehydroepiandrostenedione sulphate and androstenedione on the Roche Cobas	16
Extracellular vesicles and glycans	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	15
A case report of biclonal immunoglobulin D lambda/lambda multiple myeloma in patient with liver echinococcosis	13
Interference of anti-nuclear antibodies on determination of anti-neutrophil cytoplasmic antibodies in patients suspected of vasculitis	13
Contribution of the laboratory to a diagnosis process by sequential reflective testing: Paraprotein interference on a direct bilirubin assay	11
A case of vitamin B12 deficiency neurological syndrome in a young adult due to late-onset cobalamin C (CblC) deficiency	10
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	10
Acquired hemophilia A secondary to SARS-CoV-2 pneumonia	10
Survey on reporting of epithelial cells in urine sediment as part of external quality assessment programs in Brazilian laboratories	10
Determination of cystatin C reference interval for children in Croatia	9
Evaluation of preanalytical and postanalytical phases in clinical biochemistry laboratory according to IFCC laboratory errors and patient safety specifications	9
Detection of preanalytical errors in arterial blood gas analysis	8
Blood alcohol concentration in the clinical laboratory: a narrative review of the preanalytical phase in diagnostic and forensic testing	7
Interpretative comments - need for harmonization? Results of the Croatian survey by the Working Group for Post-analytics	7
Analysis of single comments left for bioRxiv preprints till September 2019	7
Post-treatment neutrophil to lymphocyte ratio as a prognostic tool in patients treated with tocilizumab for severe COVID-19 pneumonia	7
An analysis of the vitamin D overtesting in a tertiary healthcare centre	6

Introducing prediction intervals for sample means	6
Complete blood count alterations in COVID-19 patients	6
Wilfully submitting to and publishing in predatory journals - a covert form of research misconduct?	6
Effects of specimen haemolysis on complete blood count results by Abbott Alinity hq System	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
Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	5
Verification of a 6-part differential haematology analyser Siemens Advia 2120i	5
Strategic use of Big Data	5
Detection of macroenzymes	5
Telomere length and oxidative stress in small cell lung cancer patients: changes through chemotherapy cycles compared to healthy controls	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
Urinary brain-derived neurotrophic factor and nerve growth factor as noninvasive biomarkers of overactive bladder in children	5
Reporting LDL cholesterol results by clinical biochemistry laboratories in Czechia and Slovakia to improve the detection rate of familial hypercholesterolemia	5
Laboratory medicine and sports	5
Performance evaluation of the high sensitive troponin I assay on the Atellica IM analyser	5
What did CRISPR-Cas9 accomplish in its first 10 years?	5
Your article needs revision? – How to improve it successfully and answer to the reviewers’ comments	4
The comparison of the three assays for determination of fecal calprotectin in inflammatory bowel disease	4
Defining laboratory medicine: a circle cannot be squared	4
Use of Hoteling’s T2 multivariate control chart for effective monitoring of a laboratory test with a 3-level quality control scheme	4
Bilirubin – new insights into an old molecule	4
Challenges of providing biochemistry results in a patient with Evans syndrome	4
Seroprevalence of SARS-CoV-2 in Croatian solid-organ transplant recipients	4
Diagnostic challenges of diabetic kidney disease	4
Seroprevalence of SARS-CoV-2 infection among children in Children’s Hospital Zagreb during the initial and second wave of COVID-19 pandemic in Croatia	4
A practical approach example to measurement uncertainty	3
National recommendations of the Working Group for Post-analytics of the Croatian Society of Medical Biochemistry and Laboratory Medicine	3
The rise in preanalytical errors during COVID-19 pandemic	3
Laboratory medicine in pandemic of COVID-19	3
Assessment of antinuclear antibodies (ANA): National recommendations on behalf of the Croatian society of medical biochemistry and laboratory medicine	3
Post-GDPR survey of data protection officers in research and non-research institutions in Croatia	3
Paraoxonase and arylesterase activity of paraoxonase 1 and oxidative stress parameters in cervical intraepithelial neoplasia	3
Analytical verification of the Dymind D7-CRP automated analyser	3
Practical application of the patient data-based quality control method: the potassium example	3
Verification of Atellica 1500 and comparison with Iris urine analyser and urine culture	3
A novel approach for more precise quantification of M-protein using variables derived from immunosubtraction electropherogram and associated biochemistry analytes	3
Comparative analysis of the color change in blue-green inclusions within neutrophils between two patients with different clinical outcomes	3
The concurrence of the current postanalytical phase management with the national recommendations	3
Dynamic profiles and predictive values of some biochemical and haematological quantities in COVID-19 inpatients	3
Reevaluation of von Willebrand disease diagnosis in a Croatian paediatric cohort combining bleeding scores, phenotypic laboratory assays and next generation sequencing	2
Association of serum ADMA, SDMA and L-NMMA concentrations with disease progression in COVID-19 patients	2
Macrolipasemia secondary to colon cancer chemotherapy	2
Potential biomarkers and therapeutic targets for obsessive compulsive disorder	2
Utility of icteric index in clinical laboratories: more than a preanalytical indicator	2
Diagnostic value and utility of commonly used biomarkers of cardiac and renal function in cardiorenal syndromes	2
Bias estimation for Sigma metric calculation	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
Detection of monoclonal protein by capillary zone electrophoresis can be challenged by iodinated contrast agent interference: a case report	2

On determining the sensitivity and specificity of a new diagnostic test through comparing its results against a non-gold-standard test	2
Artificial intelligence and thyroid disease management	2
Impact of fasting duration on LDL cholesterol concentrations estimated by the Friedewald, Martin-Hopkins, and Sampson/NIH equations	2
Adapting power calculations to include a superiority margin: what are the implications?	2
Long pentraxin 3 as a marker of COVID-19 severity	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
Designing and validating an autoverification system of biochemical test results in Hatay Mustafa Kemal University, clinical laboratory	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
Direct and indirect reference intervals of 25-hydroxyvitamin D	2
Detecting the interferences in adrenocorticotropic hormone measurement - three cases reinforcing the efficiency of the complementary clinical and laboratory audit	2
The LEAP checklist for laboratory evaluation and analytical performance characteristics reporting of clinical measurement procedures	2
Establishment of age- and -gender specific reference intervals for amino acids and acylcarnitines by tandem mass spectrometry in Turkish paediatric population	2
Estimation of inter-laboratory reference change values from external quality assessment data	1
Reversible atransferrinemia in a patient with chronic enteropathy	1
Carbohydrate sulfotransferases	1
Corrigendum to: Negligible effect of vitamin D supplementation on exacerbation in patients with chronic obstructive pulmonary disease	1
The relationship of melatonin concentration in preterm infants and adverse outcomes in the late neonatal period	1
Changing the tide in vitamin D testing: An 8-year review of a demand management approach	1
Verification policies in Croatian medical biochemistry laboratories	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
Association of smoking cigarettes, age, and sex with serum concentrations of olanzapine in patients with schizophrenia	1
Quality assurance of add-on testing in plasma samples	1
Improved protocol for plasma microRNA extraction and comparison of commercial kits	1
Drug interference with biochemical laboratory tests	1
Corrigendum to: Post-GDPR survey of data protection officers in research and non-research institutions in Croatia: a cross-sectional study	1
Laboratory medicine in arterial hypertension	1
Integrating moving average control procedures into the risk-based quality control plan in small-volume medical laboratories	1
Fibrin clot interference in a human chorionic gonadotrophin assay causing a false Down syndrome screening result	1
Utility of serum indices in a particular case of serum protein electrophoresis	1
Preanalytical, analytical and postanalytical considerations in circulating microRNAs measurement	1
Higher estimated plasma volume status is associated with increased thrombotic risk and impaired survival in patients with primary myelofibrosis	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 importance of regulation (EU) 2017/746 for quality control in medical laboratories	1
Serum concentration of ferroportin in women of reproductive age	1
Bias, the unfinished symphony	1
False positive result of human chorionic gonadotropin caused by human anti-mouse antibodies	1