Jeong Taek Geun, Choi Suck Chei, Seo Geom Seog
Department of Gastroenterology and Digestive Disease Research Institute, Wonkwang University School of Medicine, Iksan, Korea.
Korean J Gastroenterol. 2012 May;59(5):386-8. doi: 10.4166/kjg.2012.59.5.386.