title: [Epidemiology of tumors of the upper respiratory tracts and the problems of prevention].
mesh_terms: D005006:Ethnicity; D006801:Humans; D011230:Precancerous Conditions / Q000453:epidemiology / Q000209:etiology; D012142:Respiratory Tract Neoplasms / Q000453:epidemiology* / Q000209:etiology / Q000517:prevention & control; D012959:Socioeconomic Factors; D014586:USSR
vernacular_title: Epidemiologiia opukholeĭ verkhnikh dykhatel'nykh puteĭ i voprosy profilaktiki