title: Contracaeciasis in pelicaniform birds.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000209:etiology* / Q000473:pathology; D009348:Nematoda / Q000302:isolation & purification; D009349:Nematode Infections / Q000473:pathology / Q000662:veterinary*; D011531:Proventriculus / Q000473:pathology