Randomized Controlled Trial of Trastuzumab With or Without Chemotherapy for HER2-Positive Early Breast Cancer in Older Patients.
J Clin Oncol. 2020 Nov 10;38(32):3743-3752. doi: 10.1200/JCO.20.00184. Epub 2020 Sep 16.
J Clin Oncol. 2020.
PMID: 32936713
Clinical Trial.