title: Recovery of dead early fourth stage Ostertagia ostertagi following benzimidazole administration.
mesh_terms: D000018:Abomasum / Q000469:parasitology; D000818:Animals; D001562:Benzimidazoles / Q000627:therapeutic use*; D002417:Cattle; D002418:Cattle Diseases / Q000188:drug therapy* / Q000469:parasitology; D007814:Larva; D010029:Ostertagiasis / Q000188:drug therapy / Q000469:parasitology / Q000662:veterinary*; D014251:Trichostrongyloidea / Q000302:isolation & purification*; D014252:Trichostrongyloidiasis / Q000662:veterinary*
chemical_list: D001562:Benzimidazoles