Comparative studies on spontaneous tumor incidence based on systemic histologic examination of rat and hamster strains of the same colony.
D000367:Age Factors; D000818:Animals; D006224:Cricetinae; D004195:Disease Models, Animal; D005260:Female; D008297:Male; D008647:Mesocricetus; D009369:Neoplasms / Q000662:veterinary*; D051381:Rats; D011919:Rats, Inbred Strains; D012376:Rodent Diseases / Q000453:epidemiology*; D012737:Sex Factors; D013045:Species Specificity