摘要

1文献来源Prat A,Saura C,Pascual T,et al. Ribociclib plus letrozole versus chemotherapy for postmenopausa lwomen with hormone receptor-positive, HER2-negative,luminal B breast cancer(CORALLEEN):an open-label,multicentre,randomised,phase 2 trial[J]. Lancet Oncol,2020,21(1):33-43.

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