title: Pathomorphological observations on epidermal papilloma of flatfish (Liopsetta obscura).
mesh_terms: D000818:Animals; D004817:Epidermis / Q000382:microbiology / Q000648:ultrastructure; D005393:Fish Diseases / Q000473:pathology*; D005399:Fishes; D008854:Microscopy, Electron; D010212:Papilloma / Q000648:ultrastructure / Q000662:veterinary*; D012878:Skin Neoplasms / Q000648:ultrastructure / Q000662:veterinary*; D014771:Virion / Q000648:ultrastructure