title: What did Edward Jenner and John Tyndall have in common?
authors.affiliation: Department of Medicine, University of Toronto, Ont. eliot.phillipson@utoronto.ca
authors.forename: Eliot A
authors.initials: EA
authors.lastname: Phillipson
mesh_terms: D004813:Epidemiology / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D006113:United Kingdom