[Medical statistical study of longevity].
D000368:Aged; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008136:Longevity / Q000266:history*; D008722:Methods; D008875:Middle Aged; D012425:Russia (Pre-1917); D014586:USSR; D014798:Vital Statistics
K voprosu os sanitarno-statisticheskom izuchenii dolgoletiia.