title: Oral xanthoma in a budgerigar, Melopsittacus undulatus. (a case report).
mesh_terms: D000818:Animals; D001715:Bird Diseases; D008297:Male; D009059:Mouth Diseases / Q000662:veterinary*; D010311:Parrots; D011563:Psittaciformes; D014973:Xanthomatosis / Q000662:veterinary*