Emens LA, Esteva FJ, Beresford M, Saura C, et al. Trastuzumab emtansine plus atezolizumab versus trastuzumab emtansine plus placebo
in previously treated, HER2-positive advanced breast cancer (KATE2): a phase 2,
multicentre, randomised, double-blind trial. Lancet Oncol 2020;21:1283-1295.
PMID: 33002436