The prevalance of trichiniasis in swine in the United States, 1966-70.
D000821:Animal Feed; D000818:Animals; D003964:Diaphragm; D005843:Geography; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology*; D014234:Trichinella / Q000302:isolation & purification; D014235:Trichinellosis / Q000453:epidemiology / Q000662:veterinary*; D014481:United States