[N.K. Krupskaia and problems of public health].
D003148:Communism; D049672:History, 19th Century; D049673:History, 20th Century; D009787:Occupational Medicine / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR; D014930:Women / Q000266:history
N.K. Krupskaia i voprosy zdravookhraneniia.