title: [Nonspecific diseases of the upper respiratory tract and their role in precancerous conditions].
mesh_terms: D006801:Humans; D009669:Nose Neoplasms / Q000209:etiology*; D010038:Otorhinolaryngologic Diseases / Q000150:complications*; D010610:Pharyngeal Neoplasms / Q000209:etiology*; D011230:Precancerous Conditions / Q000209:etiology*
vernacular_title: Nespetsificheskie zabolevaniia verkhnikh dykhatel'nykh puteĭ i ikh predopukholevoe znachenie