Prognostic effect of hormone receptor status in early HER2 positive breast cancer patients

Henry L. Gómez, Carlos A. Castañeda, Carlos E. Vigil, Tatiana Vidaurre, Raúl G. Velarde, Wilder R. Cruz, Joseph A. Pinto, Juan F. Suazo, Milko R. Garcés, Silvia P. Neciosup, Carlos S. Vallejos