title: Wendell H. Krull (1897-1971).
authors.affiliation: College of Veterinary Medicine, Oklahoma State University, Stillwater 74078, USA.
authors.forename: S A
authors.initials: SA
authors.lastname: Ewing
mesh_terms: D000818:Animals; D049673:History, 20th Century; D010274:Parasitology / Q000266:history*; D014200:Trematoda / Q000254:growth & development; D014481:United States; D014730:Veterinary Medicine / Q000266:history