[Progress of gerontology in the USSR].
D000368:Aged; D000375:Aging; D005853:Geriatrics / Q000266:history; D049673:History, 20th Century; D006801:Humans; D008875:Middle Aged; D009017:Morbidity; D012106:Research; D014586:USSR
Razvitie gerontologii v SSSR.