Lin San Ren, Xu Guo Ming, Hu Pin Jin, Zhou Li Ya, Chen Min Hu, Ke Mei Yun, Yuan Yao Zong, Fang Dian Chun, Xiao Shu Dong
Department of Gastroenterology, The Third Hospital, Peking University, Beijing, China.
J Dig Dis. 2007 Aug;8(3):162-9. doi: 10.1111/j.1443-9573.2007.00298.x.