title: Musings on the edge of epidemiology.
authors.forename: M B
authors.initials: MB
authors.lastname: Bracken
mesh_terms: D015984:Causality; D000013:Congenital Abnormalities / Q000453:epidemiology / Q000209:etiology; D004781:Environmental Exposure / Q000145:classification / Q000706:statistics & numerical data; D004812:Epidemiologic Methods; D004813:Epidemiology / Q000592:standards*; D006801:Humans; D015995:Prevalence; D009626:Terminology as Topic