title: [Frequency of spontaneous tumors in rats from the Planernaia Breeding Nursery of the Academy of Medical Sciences of the USSR].
mesh_terms: D000818:Animals; D001947:Breeding; D005260:Female; D008297:Male; D009369:Neoplasms / Q000453:epidemiology*; D051381:Rats; D012376:Rodent Diseases / Q000453:epidemiology*; D013997:Time Factors; D014586:USSR
vernacular_title: O chastote spontannykh opukholeĭ u krys ravodki pitomnika "Planernaia" AMN SSSR.