title: Accelerated approval scrutinized: confirmatory phase 4 studies on new drugs languish.
authors.forename: Mike
authors.initials: M
authors.lastname: Mitka
mesh_terms: D000970:Antineoplastic Agents / Q000627:therapeutic use*; D017327:Clinical Trials, Phase IV as Topic; D017277:Drug Approval; D000077156:Gefitinib; D011799:Quinazolines / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000970:Antineoplastic Agents; D011799:Quinazolines; D000077156:Gefitinib