Aromatase inhibitors versus tamoxifen in premenopausal women with oestrogen receptor-positive early-stage breast cancer treated with ovarian suppression: patient level meta-analysi... by Early Breast Cancer Trialists' Collaborative Group (EBCTCG)

“…</p> <p><strong>Findings:</strong> We obtained data from all four identified trials (ABCSG XII, SOFT, TEXT, and HOBOE trials), which included 7030 women with ER-positive tumours enrolled between June 17, 1999, and Aug 4, 2015. …”