Liu Lingjun, Yu Yang, Zhang Chunle, Luo Xuefeng, Tsauo Jiaywei, Tang Chengwei, Li Xiao
Department of Radiology, West China Hospital, Sichuan University, Chengdu, China.
J Gastroenterol Hepatol. 2012 Aug;27(8):1408. doi: 10.1111/j.1440-1746.2012.07170.x.