title: The FDA's decisions regarding new indications for approved drugs. Where's the evidence?
authors.forename: M A
authors.initials: MA
authors.lastname: Winker
mesh_terms: D000959:Antihypertensive Agents / Q000008:administration & dosage / Q000009:adverse effects; D002121:Calcium Channel Blockers / Q000008:administration & dosage / Q000009:adverse effects; D017277:Drug Approval; D004348:Drug Labeling; D004630:Emergencies; D006801:Humans; D006973:Hypertension / Q000188:drug therapy; D009543:Nifedipine / Q000008:administration & dosage / Q000009:adverse effects; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D000959:Antihypertensive Agents; D002121:Calcium Channel Blockers; D009543:Nifedipine