title: Neoplastic liver nodules of unknown cause in a colony of sand rats (Psammomys obesus).
mesh_terms: D000818:Animals; D000830:Animals, Laboratory; D005260:Female; D008113:Liver Neoplasms / Q000473:pathology / Q000662:veterinary*; D008297:Male; D051381:Rats; D012376:Rodent Diseases / Q000473:pathology*