MONARCH plus: abemaciclib plus endocrine therapy in women with HR+/HER2-advanced breast cancer: the multinational randomized phase III study - Zhang, Qing Yuan; Sun, Tao; Yin, Yong Mei; Li, Hui Ping; Yan, Min; Tong, Zhong Sheng; Oppermann, Christina P.; Liu, Yun Peng; Costa, Romulo; Hegg, Roberto (Therapeutic advances in medical oncology, 2020)