title: Intrahepatic biliary duct neoplasms in Catastomus commersoni.
mesh_terms: D000818:Animals; D001650:Bile Duct Neoplasms / Q000473:pathology / Q000662:veterinary*; D005260:Female; D005393:Fish Diseases / Q000473:pathology*; D005399:Fishes; D005618:Fresh Water; D008297:Male