Shimoi T, Sagara Y, Hara F, Toyama T, et al. First-line endocrine therapy for postmenopausal patients with hormone receptor-positive, HER2-negative metastatic breast cancer: a systematic review and meta-analysis. Breast Cancer 2020 Feb 11. pii: 10.1007/s12282-020-01054.
PMID: 32043218