A retrospective study of 500 mg fulvestrant in recurrent or metastatic breast cancer patients pretreated with the third generation of aromatase inhibitors
ZHAO Yannan, GONG Chengcheng, HU Xichun, et al
China Oncology . 2016, (9): 777 -783 .  DOI: 10.19401/j.cnki.1007-3639.2016.09.009