title: [Epidemiological studies of respiratory tract diseases in Płock. I. Organization and methods of a complex study].
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D011044:Poland; D012129:Respiratory Function Tests; D012140:Respiratory Tract Diseases / Q000453:epidemiology* / Q000517:prevention & control; D014505:Urban Population
vernacular_title: Badania epidemiologiczne chorób układu oddechowego w Płocku. I. Organizacja i metodyka badania kompleksowego