Epidermal hyperplasia in fish: two types without visible virus.
D000820:Animal Diseases / Q000453:epidemiology*; D000818:Animals; D005393:Fish Diseases / Q000453:epidemiology / Q000473:pathology; D005399:Fishes; D006965:Hyperplasia; D007181:Inclusion Bodies, Viral; D008854:Microscopy, Electron; D012871:Skin Diseases / Q000473:pathology / Q000662:veterinary*; D014777:Virus Diseases / Q000662:veterinary*