Cardiology Involvement in Patients With Breast Cancer Treated With Trastuzumab oleh Biniyam G. Demissei, MD, MSc, PhD, Srinath Adusumalli, MD, MSc, Rebecca A. Hubbard, PhD, Srinivas Denduluri, PhD, Vivek Narayan, MD, MSCE, Amy S. Clark, MD, MSCE, Payal Shah, MD, Hayley Knollman, MD, Kelly D. Getz, MPH, PhD, Richard Aplenc, MD, PhD, MSCE, Joseph R. Carver, MD, Bonnie Ky, MD, MSCE