title: SWOG S0023: what meets the eye may be only half the truth.
authors.forename: Manisha
authors.initials: M
authors.lastname: Bhutani
authors.forename: Ashutosh K
authors.initials: AK
authors.lastname: Pathak
authors.forename: Li
authors.initials: L
authors.lastname: Mao
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use; D002289:Carcinoma, Non-Small-Cell Lung / Q000188:drug therapy*; D000077156:Gefitinib; D006801:Humans; D008175:Lung Neoplasms / Q000188:drug therapy*; D011799:Quinazolines / Q000627:therapeutic use
chemical_list: D000970:Antineoplastic Agents; D011799:Quinazolines; D000077156:Gefitinib