OOIR: Observatory of International Research

Papers

(The H4-Index of Gut and Liver is 24. 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
Bisphosphonate Use Does Not Impact Survival in Patients with Pancreatic Cancer: A Propensity Score Matching Analysis	81
Membranous Overexpression of Fibronectin Predicts Microvascular Invasion and Poor Survival Outcomes in Patients with Hepatocellular Carcinoma	74
Advanced Imaging Techniques for Assessing Fat, Iron, and Fibrosis in Chronic Liver Disease	67
Risk Stratification of T1 Colorectal Cancer Metastasis to Lymph Nodes: Current Status and Perspective	60
Bismuth-Based Quadruple Therapy for Clarithromycin-Resistant Helicobacter pylori Infection: Effectiveness and Cost-Efficiency	58
Predicting Risk in Primary Biliary Cholangitis	55
Long-term Outcomes and Factors Affecting the Survival of Patients with Mucosal Esophageal Squamous Cell Carcinoma	37
Prognosis and Clinical Characteristics of Patients with Pancreatic Ductal Adenocarcinoma Diagnosed by Endoscopic Ultrasonography but Indeterminate on Computed Tomography	36
Early versus Late Eradication of Helicobacter pylori after Endoscopic Submucosal Dissection of Gastric Neoplasms: A Prospective, Multicenter, Randomized, Controlled Study	35
A Novel Retractable Robotic Device for Colorectal Endoscopic Submucosal Dissection	35
Unraveling Metabolic Dysfunction-Associated Fatty Liver Disease: Refining Sub-Phenotypes for Resolving Its Heterogeneity	34
The Relationship between Erosive Esophagitis and Sleep Issues in Working-Aged Koreans	32
Noninferiority Outcomes of Besifovir Compared to Tenofovir Alafenamide in Treatment-Naïve Patients with Chronic Hepatitis B	32
International Digestive Endoscopy Network Consensus on the Management of Antithrombotic Agents in Patients Undergoing Gastrointestinal Endoscopy	32
Clinical and Genetic Characteristics of Korean Patients Diagnosed with Chronic Enteropathy Associated with SLCO2A1 Gene: A KASID Multicenter Study	30
Endoscopic Resection for Superficial Non-Ampullary Duodenal Epithelial Tumors	29
Sex Differences in the Effect of Changes in Body Mass Index on the Risk of Developing Gastric Cancer: Findings from a Nationwide Retrospective Cohort Study	28
Endoscopic Gallbladder Drainage Conversion versus Conservative Treatment Following Percutaneous Gallbladder Drainage in High-Risk Surgical Patients	28
Clinical Outcomes and Validation of Ursodeoxycholic Acid Response Scores in Patients with Korean Primary Biliary Cholangitis: A Multicenter Cohort Study	28
Helicobacter pylori Eradication Can Reverse Rho GTPase Expression in Gastric Carcinogenesis	28
Comparison of Bilateral and Trisegment Drainage in Patients with High-Grade Hilar Malignant Biliary Obstruction: A Multicenter Retrospective Study	26
Comments on Comparison of Sorafenib versus Hepatic Arterial Infusion Chemotherapy-Based Treatment for Advanced Hepatocellular Carcinoma with Portal Vein Tumor Thrombosis: Reply	26
Trends in Mortality Related to Hepatitis B and C from 1990 to 2019 in the Western Pacific Region	24
Three-Step Algorithm for Screening High-Risk Group of Metabolic Dysfunction-Associated Steatotic Liver Disease in General Population	24
Impact of Scope Exchange from a Long Single Balloon Enteroscope to a Gastroscope during Enteroscopy-Assisted Endoscopic Retrograde Cholangiopancreatography in Patients with Surgically Altered Anatomy	24