title: Re: "Definitions of epidemiology".
mesh_terms: D002908:Chronic Disease / Q000453:epidemiology; D003141:Communicable Diseases / Q000453:epidemiology / Q000635:transmission; D004812:Epidemiologic Methods; D004813:Epidemiology; D005260:Female; D006801:Humans; D008297:Male; D012189:Retrospective Studies