title: The 1979 Health Clark lectures. 'The epidemiologic fabric'. I--Weaving the threads.
mesh_terms: D004812:Epidemiologic Methods; D004813:Epidemiology / Q000266:history*; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D006113:United Kingdom