title: Ultrastructural studies on bovine horn cancer.
mesh_terms: D000818:Animals; D002294:Carcinoma, Squamous Cell / Q000648:ultrastructure / Q000662:veterinary*; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D006733:Horns / Q000648:ultrastructure*; D009369:Neoplasms / Q000648:ultrastructure / Q000662:veterinary*