title: Sub-group analyses: to do or not to do?
authors.forename: François
authors.initials: F
authors.lastname: Gueyffier
mesh_terms: D000959:Antihypertensive Agents / Q000627:therapeutic use*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D020521:Stroke / Q000517:prevention & control*
chemical_list: D000959:Antihypertensive Agents