[NK Krupskaya on hygienic education of the growing generation (on 100 annivarsary of birth)].
D006266:Health Education / Q000266:history; D006666:History of Medicine; D006801:Humans; D006920:Hygiene / Q000266:history; D014586:USSR
N. K. Krupskaia o gigienicheskom vospitanii podrastaiushchego pokoleniia (k 100-letiiu so dnia rozhdeniia)