Liu N, Liu L, Zhang H, Cp G, Zhang D, Yao L, Yang Y, Wu K, Ding J, Fan D. J Gastroenterol Hepatol. 2012 maio 31. doi: 10.1111/j.1440-1746.2012.07191.x. [Epub ahead of print]
State Key Laboratory of Cancer Biology e Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi’an 710032, China Division of Gastroenterology, Washington University School of Medicine, St. Louis, MO, EUA.