OOIR: Observatory of International Research

Papers

(The TQCC of Annals of Laboratory Medicine is 5. 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 2020-05-01 to 2024-05-01.)

Article	Citations
Guidelines for Laboratory Diagnosis of Coronavirus Disease 2019 (COVID-19) in Korea	269
Application of Next Generation Sequencing in Laboratory Medicine	107
Biomarkers for Prognosis and Treatment Response in COVID-19 Patients	88
Role of Genetic Variants and Gene Expression in the Susceptibility and Severity of COVID-19	80
Biomarker-Guided Risk Assessment for Acute Kidney Injury: Time for Clinical Implementation?	46
Hormone Immunoassay Interference: A 2021 Update	45
Cytokines, Angiogenesis, and Extracellular Matrix Degradation are Augmented by Oxidative Stress in Endometriosis	41
Isolation of Small Extracellular Vesicles From Human Serum Using a Combination of Ultracentrifugation With Polymer-Based Precipitation	39
COVID-19 Testing in South Korea: Current Status and the Need for Faster Diagnostics	38
Cortisol Measurements in Cushing’s Syndrome: Immunoassay or Mass Spectrometry?	37
Comparison of SARS-CoV-2 Antibody Responses and Seroconversion in COVID-19 Patients Using Twelve Commercial Immunoassays	35
Sustainability in Healthcare: Perspectives and Reflections Regarding Laboratory Medicine	35
COVID-19 Molecular Testing in Korea: Practical Essentials and Answers From Experts Based on Experiences of Emergency Use Authorization Assays	35
Application of Single-Domain Antibodies (“Nanobodies”) to Laboratory Diagnosis	30
Clinical Utility of Mac-2 Binding Protein Glycosylation Isomer in Chronic Liver Diseases	27
Virulence Factors Associated With Escherichia coli Bacteremia and Urinary Tract Infection	22
Clinical Performance of the Standard Q COVID-19 Rapid Antigen Test and Simulation of its Real-World Application in Korea	22
Prognostic Utility of Procalcitonin, Presepsin, and the VACO Index for Predicting 30-day Mortality in Hospitalized COVID-19 Patients	20
Review of the Use of Liquid Chromatography-Tandem Mass Spectrometry in Clinical Laboratories: Part I-Development	20
Unreliable Automated Complete Blood Count Results: Causes, Recognition, and Resolution	20
Update of Guidelines for Laboratory Diagnosis of COVID-19 in Korea	20
Reference Intervals for Thyroid-Associated Hormones and the Prevalence of Thyroid Diseases in the Chinese Population	19
Surveillance of Coronavirus Disease 2019 (COVID-19) Testing in Clinical Laboratories in Korea	17
Current State of Blood Management Services in Korea	17
Serotype Distribution and Antimicrobial Resistance of Streptococcus pneumoniae Causing Invasive Pneumococcal Disease in Korea Between 2017 and 2019 After Introduction of the 13-Valent Pneumococ	16

Evaluation of the CellaVision Advanced RBC Application for Detecting Red Blood Cell Morphological Abnormalities	15
Myelodysplastic Syndromes with Bone Marrow Fibrosis: An Update	15
Clinical Practice Guidelines for Pre-Analytical Procedures of Plasma Epidermal Growth Factor Receptor Variant Testing	15
Emergence of optrA-Mediated Linezolid-Nonsusceptible Enterococcus faecalis in a Tertiary Care Hospital	15
Clinical Evaluation of the Rapid STANDARD Q COVID-19 Ag Test for the Screening of Severe Acute Respiratory Syndrome Coronavirus 2	14
Diagnostic Efficacy of Serum Mac-2 Binding Protein Glycosylation Isomer and Other Markers for Liver Fibrosis in Non-Alcoholic Fatty Liver Diseases	14
Review of the Use of Liquid Chromatography-Tandem Mass Spectrometry in Clinical Laboratories: Part II–Operations	14
Schemes and Performance Evaluation Criteria of Korean Association of External Quality Assessment (KEQAS) for Improving Laboratory Testing	14
Clinical Differences in Patients Infected withFusobacteriumand Antimicrobial Susceptibility ofFusobacteriumIsolates Recovered at a Tertiary-Care Hospital in Korea	13
Pre-Transplant Angiotensin II Type 1 Receptor Antibodies and Anti-Endothelial Cell Antibodies Predict Graft Function and Allograft Rejection in a Low-Risk Kidney Transplantation Setting	13
Accuracy of the New Creatinine-based Equations for Estimating Glomerular Filtration Rate in Koreans	13
Clonal Distribution of Clindamycin-Resistant Erythromycin-Susceptible (CRES) Streptococcus agalactiae in Korea Based on Whole Genome Sequences	13
Calibration Practices in Clinical Mass Spectrometry: Review and Recommendations	13
Recent Epidemiological Changes in Group B Streptococcus Among Pregnant Korean Women	13
Second-Line Tests in the Diagnosis of Adrenocorticotropic Hormone-Dependent Hypercortisolism	13
Biomarkers in Heart Failure: From Research to Clinical Practice	13
Clinical Features and Risk Factors Associated With 30-Day Mortality in Patients With Pneumonia Caused by Hypervirulent Klebsiella pneumoniae (hvKP)	12
Comprehensive Laboratory Data Analysis to Predict the Clinical Severity of Coronavirus Disease 2019 in 1,952 Patients in Daegu, Korea	12
Biomarker Rule-in or Rule-out in Patients With Acute Diseases for Validation of Acute Kidney Injury in the Emergency Department (BRAVA): A Multicenter Study Evaluating Urinary TIMP-2/IGFBP7	12
Prevalence of a Single-Nucleotide Variant of SARS-CoV-2 in Korea and Its Impact on the Diagnostic Sensitivity of the Xpert Xpress SARS-CoV-2 Assay	12
Determination of Colistin Resistance by Simple Disk Diffusion Test Using Modified Mueller-Hinton Agar	12
Prevalence and Clinical Characteristics of Asymptomatic Pyuria in Chronic Kidney Disease	12
Causes of Positive Pretransplant Crossmatches in the Absence of Donor-Specific Anti-Human Leukocyte Antigen Antibodies: A Single-Center Experience	11
Identification of 8-Digit HLA-A, -B, -C, and -DRB1 Allele and Haplotype Frequencies in Koreans Using the One Lambda AllType Next-Generation Sequencing Kit	11
Exploration and Validation of the Performance of Hemoglobin A1c in Detecting Diabetes in Community-Dwellers With Hypertension	11
Prevalence and Molecular Epidemiology of Extended-Spectrum-β-Lactamase (ESBL)-Producing Escherichia coli From Multiple Sectors of the Swine Industry in Korea: A Korean Nationwide Monitoring Pro	11
Combination of a SARS-CoV-2 IgG Assay and RT-PCR for Improved COVID-19 Diagnosis	10
Quantification of Thioguanine in DNA Using Liquid Chromatography-Tandem Mass Spectrometry for Routine Thiopurine Drug Monitoring in Patients With Pediatric Acute Lymphoblastic Leukemia	10
Absolute Change in High-Sensitivity Cardiac Troponin I at Three Hours After Presentation is Useful for Diagnosing Acute Myocardial Infarction in the Emergency Department	10
A Sensitive and Specific Liquid Chromatography-Tandem Mass Spectrometry Assay for Simultaneous Quantification of Salivary Melatonin and Cortisol: Development and Comparison With Immunoassays	10
Serotype Distribution and Antimicrobial Resistance of Salmonella Isolates in Korea between 2016 and 2017	10
Establishment of Pediatric Reference Intervals for Routine Laboratory Tests in Korean Population: A Retrospective Multicenter Analysis	10
Stability of pH, Blood Gas Partial Pressure, Hemoglobin Oxygen Saturation Fraction, and Lactate Concentration	10
Emergence of NDM-1–producing Pseudomonas aeruginosa Sequence Type 773 Clone: Shift of Carbapenemase Molecular Epidemiology and Spread of 16S rRNA Methylase Genes in Korea	9
Associations of LDL Cholesterol, Non-HDL Cholesterol, and Apolipoprotein B With Cardiovascular Disease Occurrence in Adults: Korean Genome and Epidemiology Study	9
Recent Trends in Creatinine Assays in Korea: Long-Term Accuracy-Based Proficiency Testing Survey Data by the Korean Association of External Quality Assessment Service (2011–2019)	9
Effectiveness of Plasma and Urine Neutrophil Gelatinase-Associated Lipocalin for Predicting Acute Kidney Injury in High-Risk Patients	9
Natural Killer Cell Expansion and Cytotoxicity Differ Depending on the Culture Medium Used	9
Early Laboratory Preparedness of the Korea Disease Control and Prevention Agency and Response to Unknown Pneumonia Outbreak from Wuhan, China, in January 2020	9
First Identification of IMP-1 Metallo-β-Lactamase in Delftia tsuruhatensis Strain CRS1243 Isolated From a Clinical Specimen	8
Comparison of the Automated Fluorescent Immunoassay System With Roche Elecsys and Beckman Coulter Access 2 Assays for Anti-Müllerian Hormone Measurement	8
Immunogenicity of Third-dose BNT162b2 mRNA Vaccine Following Two Doses of ChAdOx1 in Health Care Workers: A Prospective Longitudinal Study	8
HDL Subclass Analysis in Predicting Metabolic Syndrome in Koreans With High HDL Cholesterol Levels	8
Clinical Application of Overlapping Confidence Intervals for Monitoring Changes in Serial Clinical Chemistry Test Results	8
Impact of Individualized Hemolysis Management Based on Biological Variation Cut-offs in a Clinical Laboratory	8
Performance Evaluation of the Aptima Assays in Comparison with the cobas 6800 Assays for the Detection of HIV-1, HBV, and HCV in Clinical Samples	8
Evaluation of Xpert Carba-R Assay v.2 to Detect Carbapenemase Genes in Two Hospitals in Korea	8
Comparison of Biotin Interference in Second- and Third-Generation Roche Free Thyroxine Immunoassays	8
Serum Ferritin as a Diagnostic Biomarker for Kawasaki Disease	8
Rapid Emergence of the Omicron Variant of Severe Acute Respiratory Syndrome Coronavirus 2 in Korea	8

Erythroid Differentiation of Induced Pluripotent Stem Cells Co-cultured with OP9 Cells for Diagnostic Purposes	8
Digital Morphology Analyzer Sysmex DI-60 vs. Manual Counting for White Blood Cell Differentials in Leukopenic Samples: A Comparative Assessment of Risk and Turnaround Time	8
Proenkephalin Predicts Organ Failure, Renal Replacement Therapy, and Mortality in Patients With Sepsis	8
Rapid Identification of OXA-48-like, KPC, NDM, and VIM Carbapenemase-Producing Enterobacteriaceae From Culture: Evaluation of the RESIST-4 O.K.N.V. Multiplex Lateral Flow Assay	7
Rates of Coinfection Between SARS-CoV-2 and Other Respiratory Viruses in Korea	7
Comparison of the Clinical Performance of the Point-of-care STANDARD M10 SARS-CoV-2 and Xpert Xpress SARS-CoV-2 Assays	7
Relationship Between Rotavirus P[6] Infection in Korean Neonates and Histo-Blood Group Antigen: a Single-Center Study	7
Immunosuppressive Drug Measurement by Liquid Chromatography Coupled to Tandem Mass Spectrometry: Interlaboratory Comparison in the Korean Clinical Laboratories	7
False Positive Class II HLA Antibody Reaction Due to Antibodies Against Denatured HLA Might Differ Between Assays: One Lambda vs. Immucor	7
Sex-Specific U-Shaped Relationships Between High-Density Lipoprotein Cholesterol Levels and 10-year Major Adverse Cardiovascular Events: A Nationwide Cohort Study of 5.7 Million South Koreans	7
Economic Evaluation of Total Laboratory Automation in the Clinical Laboratory of a Tertiary Care Hospital	7
Commutability Assessment of Candidate External Quality Assessment Materials for Aminotransferase Activity Measurements Based on Different Approaches in China	6
Effect of Lymphocyte Phenotypic Alterations on the Humoral Response to Vaccination Against SARS-COV-2 in Dialysis Patients	6
Current Issues, Challenges, and Future Perspectives of Genetic Counseling in Korea	6
Guidelines for Mobile Laboratories for Molecular Diagnostic Testing of COVID-19	6
Current Status of Serum Insulin and C-Peptide Measurement in Clinical Laboratories: Experience from 94 Laboratories in China	6
Antimicrobial Resistance Caused by KPC-2 Encoded by Promiscuous Plasmids of the Klebsiella pneumoniae ST307 Strain	6
Reporting Quality of Diagnostic Accuracy Studies in Laboratory Medicine: Adherence to Standards for Reporting of Diagnostic Accuracy Studies (STARD) 2015	6
Performance Comparison of Five SARS-CoV-2 Antibody Assays for Seroprevalence Studies	6
Carrier Frequency of Spinal Muscular Atrophy in a Large-scale Korean Population	6
Comparison of Three Blood Collection Tubes for 35 Biochemical Analytes: The Becton Dickinson Barricor Tube, Serum Separating Tube, and Plasma Separating Tube	6
Moving Rate of Positive Patient Results as a Quality Control Tool for High-Sensitivity Cardiac Troponin T Assays	6
Evaluation of the Barricor Tube in 28 Routine Chemical Tests and Its Impact on Turnaround Time in an Outpatient Clinic	6
Performance Evaluation of VITEK MS for the Identification of a Wide Spectrum of Clinically Relevant Filamentous Fungi Using a Korean Collection	6
Predictive Value of Plasma NGAL:Hepcidin-25 for Major Adverse Kidney Events After Cardiac Surgery with Cardiopulmonary Bypass: A Pilot Study	6
Comparison of Nasal Swabs, Nasopharyngeal Swabs, and Saliva Samples for the Detection of SARS-CoV-2 and other Respiratory Virus Infections	6
Investigation of Discrepant ABO Blood Grouping Results from an Autoanalyzer	6
A Case of Brain Abscess Caused by the Dematiaceous Mold Neoscytalidium dimidiatum in a Korean Man	6
Laboratory Aspects of Donor Screening for Fecal Microbiota Transplantation at a Korean Fecal Microbiota Bank	6
Laboratory Diagnostic Methods for Clostridioides difficile Infection: the First Systematic Review and Meta-analysis in Korea	6
First Two Cases of Infected Aortic Aneurysm Caused by Non-VaccineStreptococcus pneumoniaeSerotype 23A	5
Phospholipase C Beta 2 Protein Overexpression Is a Favorable Prognostic Indicator in Newly Diagnosed Normal Karyotype Acute Myeloid Leukemia	5
Targeted Next-Generation Sequencing of Plasma Cell-Free DNA in Korean Patients with Hepatocellular Carcinoma	5
Clinical, Laboratory, and Bone Marrow Findings of 31 Patients With Waldenström Macroglobulinemia	5
Performance Comparison Between Fourier-Transform Infrared Spectroscopy–based IR Biotyper and Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry for Strain Diversity	5
Clot Waveform Analysis for Hemostatic Abnormalities	5
Detection of Spinal Muscular Atrophy Using a Duplexed Real-Time PCR Approach With Locked Nucleic Acid-Modified Primers	5
Clinical Utility of Next-Generation Flow-Based Minimal Residual Disease Assessment in Patients with Multiple Myeloma	5
Genetic Spectrum ofUGT1A1in Korean Patients with Unconjugated Hyperbilirubinemia	5
Risk Factors for Extended-Spectrum-β-Lactamase-Producing Escherichia coli in Community-Onset Bloodstream Infection: Impact on Long-Term Care Hospitals in Korea	5
Clinical Performance of Monocyte Distribution Width for Early Detection of Sepsis in Emergency Department Patients: A Prospective Study	5
ABO-Incompatible Transfusion Events Reported in Written Judgments and in the Korean Hemovigilance System	5
European Committee on Antimicrobial Susceptibility Testing-Recommended Rapid Antimicrobial Susceptibility Testing of Escherichia coli, Klebsiella pneumoniae, and Staphylococcus aureus	5
A Case of IgG4-related Disease With Bone Marrow Involvement: Bone Marrow Findings and Flow Cytometric Immunophenotyping of Plasma Cells	5
Genotypic and Phenotypic Characteristics of Hereditary Leiomyomatosis and Renal Cell Cancer Syndrome in Korean Patients	5
Genotypic Distribution and Antimicrobial Susceptibilities of Carbapenemase-Producing Enterobacteriaceae Isolated From Rectal and Clinical Samples in Korean University Hospitals Between 2016 and	5
Specific IgG and IgA Antibody Reactivities in Sera of Children by Enzyme-Linked Immunoassay and Comparison With Giardia duodenalis Diagnosis in Feces	5
Comparing Genomic Characteristics of Streptococcus pyogenes Associated with Invasiveness over a 20-year Period in Korea	5
In Vitro Activity of the Novel Tetracyclines, Tigecycline, Eravacycline, and Omadacycline, Against Moraxella catarrhalis	5
Response of Clinical Laboratories to the Ongoing COVID-19 Pandemic	5
Artificial Intelligence in Point-of-Care Testing	5
Genetic Counseling and Long-Term Surveillance Using a Multidisciplinary Approach in von Hippel–Lindau Disease	5