title: Malignant intraocular medulloepithelioma in two cockatiels.
mesh_terms: D000818:Animals; D001715:Bird Diseases / Q000473:pathology*; D008297:Male; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000473:pathology / Q000662:veterinary*; D009918:Orbital Neoplasms / Q000473:pathology / Q000662:veterinary*; D011563:Psittaciformes