title: The 1979 Heath Clark Lectures. 'The epidemiologic fabric'. II. The London Bridge--it never fell.
mesh_terms: D002771:Cholera / Q000266:history; D004739:England; D004813:Epidemiology / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D012958:Societies, Scientific / Q000266:history