title: Life table analysis of long-term randomised trials in pneumology--a worked example and a plea.
mesh_terms: D000111:Acetylcysteine / Q000008:administration & dosage; D000206:Actuarial Analysis; D001991:Bronchitis / Q000188:drug therapy*; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D006801:Humans; D010919:Placebos; D012008:Recurrence
chemical_list: D010919:Placebos; D000111:Acetylcysteine