1. Course of choledochal cysts according to the type of treatment. Scandinavian Journal of Gastroenterology 2010; 45: 739-745 2. A Common Variant in SLC8A1 is Associated with the Duration of the Electrocardiographic QT Interval. American Journal of Human Genetics 2012; 91: 180-184 3. Early use of imipenem/cilastatin and vancomycin followed by de-escalation versus conventional antimicrobials without de-escalation for patients with hospital-acquired pneumonia in a medical ICU: a randomized clinical trial. Critical Care 2012, 16:R28 4. Long-term prognosis of the jejunal involvement of Crohn's disease Journal of Clinical Gastroenterology 5. Molecular Imaging of Gastrointestinal Malignancies Intest Res 2011;9(2):90-96 6. Plasma Calcium and Risk of Hypertension: Propensity Score Analysis Using Data From the Korean Genome and Epidemiology Study Public Health Res Perspect 2011;2(2):83-88 7. Usefulness and Cost-effectiveness of Colorectal Stent Followed by Curative Resection for Left-sided Malignant Colorectal Obstruction Korean J Gastrointest Endosc 2008;36(5):268-273