[50th anniversary of Lenin's decree "On measures against exanthematous fever"].
D003140:Communicable Disease Control / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D014438:Typhus, Epidemic Louse-Borne / Q000517:prevention & control*; D014586:USSR
50-letie leninskogo dekreta "o meropriiatiiakh po sypnomu tifu".