1. The role of the addition of ovarian suppression to tamoxifen in young women with hormone-sensitive breast cancer who remain premenopausal or regain menstruation after chemotherapy (ASTRRA): study protocol for a randomized controlled trial and progress. Issue 1 (December 2016) Authors: Kim, Hyun-Ah; Ahn, Sei; Nam, Seok; Park, Seho; Ro, Jungsil; Im, Seock-Ah; Jung, Yong; Yoon, Jung; Hur, Min; Choi, Yoon; Lee, Soo-Jung; Jeong, Joon; Cho, Se-Heon; Kim, Sung; Lee, Min; Kim, Lee; Moon, Byung-In; Kim, Tae; Park, Chanheun; Kim, Sei Journal: BMC cancer Issue: Volume 16:Issue 1(2016) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗