title: Spontaneous rhabdomyosarcoma in a young rat.
mesh_terms: D000818:Animals; D008297:Male; D008854:Microscopy, Electron; D051381:Rats; D011919:Rats, Inbred Strains; D012208:Rhabdomyosarcoma / Q000473:pathology / Q000662:veterinary*; D012376:Rodent Diseases / Q000473:pathology*; D012983:Soft Tissue Neoplasms / Q000473:pathology / Q000662:veterinary*