title: Henry Baldwin Ward medal acceptance speech.
authors.affiliation: Department of Veterinary Science, University of Wisconsin-Madison 53706.
authors.forename: B M
authors.initials: BM
authors.lastname: Christensen
mesh_terms: D000818:Animals; D004772:Entomology / Q000266:history; D049673:History, 20th Century; D010274:Parasitology / Q000266:history; D014481:United States