Cianniello, D.; Caputo, R. Patient With Metastatic Breast Cancer, HER2-Positive, Trastuzumab- and Pertuzumab-Resistant Responding to Lapatinib: Paziente Con Carcinoma Mammario Metastatico, HER2-Positivo, Resistente a Trastuzumab E Pertuzumab Ma Responsivo a Lapatinib. AboutOpen 2018, 4, 66-68.