שליחה במסרון: ACTIVITY OF THE PAN-HER TYROSINE KINASE (TK) INHIBITOR DACOMITINIB (PF-00299804) IN REFRACTORY NONADENOCARCINOMA (NON-A) NON-SMALL CELL LUNG CANCER (NSCLC) AND COMPARED WITH ERLOTINIBIN THE 2ND-/3RD-LINE SETTING