title: Leon Saunders, William Osler and Rudolf Virchow: their contributions to veterinary pathology and "one medicine".
authors.forename: Frank F
authors.initials: FF
authors.lastname: Katz
mesh_terms: D000818:Animals; D002170:Canada; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010336:Pathology / Q000266:history*; D010341:Pathology, Veterinary / Q000266:history*; D014481:United States