ERBB2 and breast cancer: 6. Harbeck N, Franke F, Villanueva-Vazquez R, Lu YS, Tripathy D, Chow L, et al. Health-related quality of life in premenopausal women with hormone-receptor-positive, HER2-negative advanced breast cancer treated with ribociclib plus endocrine therapy: results from a phase III randomized clinical trial (MONALEESA-7). Ther Adv Med Oncol. 2020;12:1758835920943065.