Zhang P, Zhang Q, Tong Z, Sun T, et al. Dalpiciclib plus letrozole or anastrozole versus placebo plus letrozole or
anastrozole as first-line treatment in patients with hormone receptor-positive,
HER2-negative advanced breast cancer (DAWNA-2): a multicentre, randomised,
double-blind, placebo Lancet Oncol 2023 May 11:S1470-2045(23)00172.
PMID: 37182538