Studying Blood and DNA Samples From Patients With Breast Cancer Treated With Chemotherapy With or Without Trastuzumab
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Wake Forest University Health Sciences
Case Comprehensive Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Eastern Cooperative Oncology Group
NSABP Foundation Inc
University of California, San Francisco
University of Michigan Rogel Cancer Center
Mansoura University