| 2006 | A Case of Barrett`s Esophagus Developed 1 Year after Subtotal Gastrectomy due to Stomach Cancer | 권혁춘, 이광재, 김장희, 신성재, 정재연, 함기백, 김진홍, 조성원 |
| 2011 | A Case of Gallbladder Perforation Complicated by Acalculous Cholecystitis due to Non-Typhoidal Salmonella | 이홍섭, 조성원, 정재연 |
| 2006 | A Case of Polymyositis Associated with Primary Biliary Cirrhosis | 정재욱, 박해심, 정재연, 김영배, 심철, 서창희 |
| 2008 | A Case of Pseudoachalasia Accompanied by Pancreatic Cancer | 정재연, 김진홍, 조성원, 이광재 |
| 2009 | A functional SNP of the interleukin-18 gene is associated with the presence of hepatocellular carcinoma in hepatitis B virus-infected patients. | 정재연, 조성원, 이기명, 황재철, 김진홍 |
| 2013 | A genome-wide association study identified new variants associated with the risk of chronic hepatitis B. | 정재연, 조성원 |
| 2012 | A practical scoring system for predicting cirrhosis in patients with chronic viral hepatitis | 정재연, 신승수, 박래웅, 김영배, 조성원 |
| 2010 | A randomized comparative study of high-dose and low-dose hepatic arterial infusion chemotherapy for intractable, advanced hepatocellular carcinoma. | 정재연, 조성원 |
| 2009 | A study on application of single nucleotide polymorphism and machine learning techniques to diagnosis of chronic hepatitis. | 조성원, 정재연 |
| 2010 | Add on Lamivudine to Adefovir Monotherapy for the Treatment of Lamivudine-resistant Chronic Hepatitis B Patients | 정재연, 임선교, 조성원 |
| 2012 | Adefovir-based combination therapy with entecavir or lamivudine for patients with entecavir-refractory chronic hepatitis B | 김순선, 정재연, 이명희, 조성원 |
| 2008 | Alimentary Tract : Relapse Rates of Ulcerative Colitis in Remission and Factors Related to Relapse | 이광재, 황재철, 정재연, 조성원 |
| 2017 | Anticoagulation in Patients with Liver Cirrhosis | 정재연 |
| 2011 | Application of the HALF index obviates the need for liver biopsy in half of all patients with chronic hepatitis B. | 정재연, 조성원 |
| 2009 | Argon Plasma Coagulation with Submucosal Saline Injection for Gastric Adenoma on Outpatient Basis. | 이기명, 김영배, 신성재, 정재연, 황재철, 유병무, 김진홍, 조성원 |
| 2012 | Association between apolipoprotein E genotype, chronic liver disease, and hepatitis B virus | 김순선, 김기범, 조진희, 조성원, 정재연 |
| 2006 | Association between chronic hepatitis B virus infection and interleukin-10, tumor necrosis factor-alpha gene promoter polymorphisms. | 정재연, 조성원, 함기백, 김진홍 |
| 2005 | Association between Chronic Hepatitis B Virus Infection and Interleukin-10, Tumor Necrosis Factor-α Gene Promoter Polymorphisms | 정재연 |
| 2013 | Association between Interferon-Inducible Protein 6 (IFI6) Polymorphisms and Hepatitis B Virus Clearance | 조성원, 정재연 |
| 2014 | Association of a microRNA-323b polymorphism with the persistence of hepatitis B virus infection by the enhancement of viral replication | 정재연, 조성원 |
| 2012 | Association of GNLY genetic polymorphisms with chronic liver disease in a Korean population | 정재연, 조성원 |
| 2007 | Association of Interleukin-12 Gene Polymorphism with Persistence of Hepatitis B Virus Infection and Hepatocellular Carcinoma | 정재연, 조성원 |
| 2010 | Association of interleukin-18 gene polymorphisms with hepatitis B virus clearance. | 정재연, 조성원, 이기명, 신성재, 김진홍 |
| 2009 | Association of lamivudine-resistant mutational patterns with the antiviral effect of adefovir in patients with chronic hepatitis B. | 정재연, 조성원 |
| 2013 | Association of on-treatment serum hepatitis B surface antigen level with sustained virological response to nucleos(t)ide analog in patients with hepatitis B e-antigen positive chronic hepatitis B. | 김순선, 정재연, 조성원 |
| 2013 | Association of polymorphism in MicroRNA 219-1 with clearance of hepatitis B virus infection. | 정재연, 조성원 |
| 2014 | Association of polymorphism in microRNA 604 with susceptibility to persistent hepatitis B virus infection and development of hepatocellular carcinoma. | 정재연, 조성원 |
| 2012 | Association of polymorphism in pri-microRNAs-371-372-373 with the occurrence of hepatocellular carcinoma in hepatitis B virus infected patients | 정재연, 조성원 |
| 2015 | Association of VARS2-SFTA2 polymorphisms with the risk of chronic hepatitis B in a Korean population. | 정재연, 조성원 |
| 2012 | Can the 1.8 mm transnasal biopsy forceps instead of standard 2.2 mm alter rapid urease test and histological diagnosis? | 신성재, 이기명, 임선교, 이명희, 황재철, 정재연, 유병무, 김진홍 |
| 2013 | Caspase-cleaved fragments of cytokeratin-18 as a marker of inflammatory activity in chronic hepatitis B virus infection. | 배창범, 김순선, 안선주, 김영배, 신성재, 조성원, 정재연 |
| 2011 | Changes in liver stiffness measurement during antiviral therapy in patients with chronic hepatitis B. | 임선교, 조성원, 이명희, 김순선, 김영배, 정재연, 김진홍 |
| 2012 | Changes in serum histologic surrogate markers and procollagen III N-terminal peptide as independent predictors of HBeAg loss in patients with chronic hepatitis B during entecavir therapy | 이명희, 김순선, 이기명, 유병무, 이광재, 김진홍, 조성원, 정재연 |
| 2007 | Chronic hepatitis and cirrhosis classification using SNP data, decision tree and decision rule | 조성원, 정재연 |
| 2007 | Clinical Application of Non-invasive Diagnosis for Hepatic Fibrosis | 조성원, 정재연 |
| 2014 | Clinical characteristics and outcomes of acute hepatitis a in Korea: a nationwide multicenter study. | 정재연 |
| 2016 | Clinical course of partial virological responders under prolonged entecavir monotherapy in patients with chronic hepatitis B | 박주한, 조효정, 김순선, 정재연, 조성원 |
| 2009 | Clinical efficacy of entecavir therapy and factors associated with treatment response in naive chronic hepatitis B patients | 정재연, 조성원 |
| 2011 | Clinical features of acute viral hepatitis B in Korea: a multi-center study | 정재연 |
| 2009 | Comparison of radiofrequency ablation and transarterial chemoembolization for the treatment of a single hepatocellular carcinoma smaller than 4 cm | 양민재, 정재연, 원제환, 김재근, 왕희정, 조성원 |
| 2010 | Comparison of surrogate serum markers and transient elastography (Fibroscan) for assessing cirrhosis in patients with chronic viral hepatitis. | 정재연, 조성원 |
| 2007 | Comparison of uncovered stent with covered stent for treatment of malignant colorectal obstruction. | 이기명, 신성재, 황재철, 정재연, 유병무, 이광재, 김진홍, 조성원 |
| 2011 | Correlation of serum hepatitis B surface antigen level with response to entecavir in naïve patients with chronic hepatitis B. | 이명희, 김순선, 정재연, 조성원 |
| 2011 | Current Nucleos(t)ide Analogue Therapy for Chronic Hepatitis B. | 김순선, 정재연, 조성원 |
| 2018 | Cyclic Change of Sphincter of Oddi Motility and Its Relationship with Small Bowel Migrating Motor Complex in Humans | 유병무, 김진홍, 양민재, 황재철, 김순선, 강준구, 임선교, 신성재, 정재연, 이기명 |
| 2009 | Demographic, clinical, and psychological characteristics of the heartburn groups classified using the Rome III criteria and factors associated with the responsiveness to proton pump inhibitors in the gastroesophageal reflux disease group. | 이광재, 정재연, 조성원 |
| 2016 | Detection of Novel Genomic Markers for Predicting Prognosis in Hepatocellular Carcinoma Patients by Integrative Analysis of Copy Number Aberrations and Gene Expression Profiles: Results from a Long-Term Follow-Up | 조효정, 김순선, 왕희정, 김봉완, 조혜성, 김재근, 이제희, 김영배, 양민재, 유병무, 이광재, 조성원, 정재연 |
| 2008 | Development and psychometric evaluation of a chronic liver disease-specific quality of life questionnaire. | 이은현, 정재연, 조성원 |
| 2011 | Development and validation of a model to predict advanced fibrosis in chronic hepatitis B virus-infected patients with high viral load and normal or minimally raised ALT. | 정재연, 조성원, 김영배 |
| 2008 | Development of Clevudine Resistance after Switching from Lamivudine in a Patient with Chronic Hepatitis B | 정재연, 조성원 |
| 2017 | Development of Risk Prediction Model for Hepatocellular Carcinoma Progression of Indeterminate Nodules in Hepatitis B Virus-Related Cirrhotic Liver | 조효정, 김보현, 강대용, 김재근, 이제희, 신성재, 이기명, 유병무, 이광재, 김순선, 정재연, 조성원 |
| 2012 | Diagnostic accuracy of biomarkers measured in the hepatic vein and peripheral vein in the prediction of advanced fibrosis in patients with chronic viral hepatitis | 정재연, 조성원 |
| 2011 | Diagnostic value of multiple biomarker panel for prediction of significant fibrosis in chronic hepatitis C. | 정재연, 조성원, 김영배 |
| 2008 | Diagnostic value of terminal ileum intubation during colonoscopy. | 정성현, 이광재, 김영배, 권혁춘, 신성재, 정재연 |
| 2013 | Discordance between liver biopsy and FibroTest in assessing liver fibrosis in chronic hepatitis B. | 정재연 |
| 2013 | Durability after discontinuation of nucleos(t)ide therapy in chronic HBeAg negative hepatitis patients | 김순선, 정재연, 조성원 |
| 2014 | Effect of virological response to entecavir on the development of hepatocellular carcinoma in hepatitis B viral cirrhotic patients: comparison between compensated and decompensated cirrhosis. | 김순선, 황재철, 임선교, 안선주, 정재연, 조성원 |
| 2018 | Effects of the Administration of Probiotics on Fecal Microbiota Diversity and Composition in Healthy Individuals | 노충균, 정재연, 이광재 |
| 2013 | Efficacy and safety of entecavir plus carnitine complex (GODEXⓇ) compared to entecavir monotherapy in patient with ALT elevated chronic hepatitis B: randomized, multicenter open-label trials. The GOAL study | 정재연, 조성원 |
| 2012 | Efficacy and tolerability of peginterferon alpha plus ribavirin in the routine daily treatment of chronic hepatitis C patients in Korea: a multi-center, retrospective observational study | 정재연, 조성원 |
