[Sample studies as a basic element of developing the sociohygienic observation method].
D000328:Adult; D005260:Female; D006801:Humans; D008722:Methods; D011634:Public Health; D012494:Sampling Studies; D012936:Social Medicine; D014586:USSR
Probnoe issledovanie kak osnovnoĭ élement otrabotki metodiki sotsial'no-gigiencicheskogo nabliudeniia.