Kim Yong Sung, Choi Suck Chei
Department of Internal Medicine, Wonkwang Digestive Disease Research Institute, Wonkwang University School of Medicine, Iksan, Jeollabuk-do, Korea.
J Neurogastroenterol Motil. 2010 Apr;16(2):222-3. doi: 10.5056/jnm.2010.16.2.223. Epub 2010 Apr 28.