Huo Li-juan, Zhang Suo-juan, Liu Ying
Department of Gastroenterology, First Clinical Medical College, Shanxi Medical University, Taiyuan 030001, China.
Zhonghua Gan Zang Bing Za Zhi. 2010 Aug;18(8):622-3. doi: 10.3760/cma.j.issn.1007-3418.2010.08.017.