Gastrointestinal helminth infections in feeder pigs.
D000818:Animals; D005767:Gastrointestinal Diseases / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary*; D006373:Helminthiasis / Q000453:epidemiology / Q000382:microbiology; D006374:Helminthiasis, Animal; D006376:Helminths / Q000302:isolation & purification; D013552:Swine; D013553:Swine Diseases / Q000453:epidemiology / Q000382:microbiology*; D014481:United States