Cai J-T, Chen J-M, Zhang X-M, Chen Y, Wei S-M, Du Q, Xie C-G
Department of Gastroenterology, Second Affiliated Hospital of Medical College, Zhejiang University, Hangzhou, Zhejiang, China.
J Gastroenterol Hepatol. 2012 Aug;27(8):1407. doi: 10.1111/j.1440-1746.2012.07185.x.