[The importance of the works of V. I. Lenin in relation to medical and demographic statistics].
D003148:Communism; D003710:Demography / Q000266:history; D049673:History, 20th Century; D013223:Statistics as Topic / Q000266:history; D014586:USSR
Znachenie trudov V. I. Lenina dlia sanitarnoĭ i demograficheskoĭ statistiki.