title: 250 years of controlled clinical trials: where it all began.
authors.forename: Dale E
authors.initials: DE
authors.lastname: Hammerschmidt
mesh_terms: D018849:Controlled Clinical Trials as Topic / Q000266:history*; D049671:History, 18th Century; D006801:Humans; D009326:Naval Medicine / Q000266:history; D010151:Paintings / Q000266:history; D012606:Scotland; D012614:Scurvy / Q000266:history* / Q000517:prevention & control