title: Is erlotinib really active after failure of gefitinib in advanced non-small-cell lung cancer patients?
authors.forename: E
authors.initials: E
authors.lastname: Vasile
authors.forename: C
authors.initials: C
authors.lastname: Tibaldi
authors.forename: A
authors.initials: A
authors.lastname: Falcone
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D002289:Carcinoma, Non-Small-Cell Lung / Q000188:drug therapy*; D000069347:Erlotinib Hydrochloride; D000077156:Gefitinib; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy*; D011799:Quinazolines / Q000627:therapeutic use*; D016879:Salvage Therapy
chemical_list: D000970:Antineoplastic Agents; D011799:Quinazolines; D000069347:Erlotinib Hydrochloride; D000077156:Gefitinib