title: Neoplastic and nonneoplastic lesions in aging Osborne-Mendel rats.
mesh_terms: D000375:Aging; D000818:Animals; D005260:Female; D008297:Male; D009369:Neoplasms / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*; D051381:Rats; D012376:Rodent Diseases / Q000453:epidemiology / Q000473:pathology; D012737:Sex Factors