title: Mistaking a disease for its causal agent.
authors.forename: W J
authors.initials: WJ
authors.lastname: Hadlow
mesh_terms: D000820:Animal Diseases / Q000453:epidemiology / Q000209:etiology; D000818:Animals; D002170:Canada; D015984:Causality; D010506:Periodicals as Topic / Q000592:standards*; D009626:Terminology as Topic; D014481:United States