He Chuangye, Qi Xingshun, Guo Wengang, Yin Zhanxin, Han Guohong
Department of Digestive Interventional Radiology, Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China.
J Gastroenterol Hepatol. 2012 Oct;27(10):1645. doi: 10.1111/j.1440-1746.2012.07209.x.