[The socialist competition as an important form of raising the level of the sanitary epidemiological service for the population].
D004813:Epidemiology; D006801:Humans; D012499:Sanitation; D012950:Socialism; D014586:USSR
Sotsialisticheskoe sorevnovanie-vazhnaia forma povysheniia urovnia sanitarno-epidemiologicheskogo obsluzhivaniia naseleniia