1. Circulating tumor DNA functions as an alternative for tissue to overcome tumor heterogeneity in advanced gastric cancer. Issue 9 (29th July 2017) Authors: Gao, Jing; Wang, Haixing; Zang, Wanchun; Li, Beifang; Rao, Guanhua; Li, Lei; Yu, Yang; Li, Zhongwu; Dong, Bin; Lu, Zhihao; Jiang, Zhi; Shen, Lin Journal: Cancer science Issue: Volume 108:Issue 9(2017) Page Start: 1881 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗