title: [Johannes Fibiger and the controlled clinical trial].
authors: Det Nordiske Cochrane Center, Rigshospitalet, DK-2100 København Ø. ah@cochrane.dk
authors: Asbjørn
authors: A
authors: Hróbjartsson
mesh_terms: D018849:Controlled Clinical Trials as Topic / Q000266:history*; D003718:Denmark / Q000453:epidemiology; D004165:Diphtheria / Q000266:history* / Q000401:mortality / Q000628:therapy; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010820:Physicians / Q000266:history; D016032:Randomized Controlled Trials as Topic / Q000266:history*