title: Retarded metamorphosis in larvae of Ascaridia galli following repeated challenge of poultry with infective eggs.
mesh_terms: D000818:Animals; D001196:Ascariasis / Q000276:immunology / Q000662:veterinary*; D001200:Ascaris / Q000254:growth & development*; D002645:Chickens; D007814:Larva / Q000254:growth & development; D008675:Metamorphosis, Biological; D011201:Poultry Diseases / Q000276:immunology*