title: Which John Snow should set the example for clinical epidemiology?
authors.affiliation: University Hospital, Leiden, The Netherlands.
authors.forename: J P
authors.initials: JP
authors.lastname: Vandenbroucke
mesh_terms: D002771:Cholera / Q000209:etiology / Q000635:transmission*; D004196:Disease Outbreaks / Q000266:history; D004813:Epidemiology / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D008131:London; D014871:Water Microbiology