Wang Jin, Yu Jian-Chun, Kang Wei-Ming, Ma Zhi-Qiang
Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100730, China.
Chin Med Sci J. 2010 Sep;25(3):189-92. doi: 10.1016/s1001-9294(10)60047-8.