Yoon Hyun Hwa, Jung Young Kul, Chung Dong Hae, Choi Seung Joon, Kim Jeong Ho, Kim Keon Kuk
Departments of Internal Medicine, Gachon University Gil Medical Center, Incheon, Korea.
Korean J Gastroenterol. 2012 Nov;60(5):335-8. doi: 10.4166/kjg.2012.60.5.335.