1. Protocol for a gallbladder cancer registry study in China: the Chinese Research Group of Gallbladder Cancer (CRGGC) study. Issue 2 (16th February 2021) Authors: Ren, Tai; Li, Yongsheng; Zhang, Xi; Geng, Yajun; Shao, Ziyu; Li, Maolan; Wu, Xiangsong; Wang, Xu-An; Liu, Fatao; Wu, Wenguang; Shu, Yijun; Bao, Runfa; Gong, Wei; Dong, Ping; Dang, Xueyi; Liu, Chang; Liu, Changjun; Sun, Bei; Liu, Jun; Wang, Lin Journal: BMJ open Issue: Volume 11:Issue 2(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗