title: [Preventive services in phoniatry and their social and economic effectiveness].
mesh_terms: D000328:Adult; D006801:Humans; D009784:Occupational Diseases / Q000517:prevention & control*; D009786:Occupational Health Services / Q000191:economics; D011314:Preventive Health Services / Q000191:economics; D002094:Republic of Belarus; D013663:Teaching; D014832:Voice Disorders / Q000517:prevention & control*
vernacular_title: Profilaktika v foniatrii i ee sotsial'no-ékonomicheskaia éffektivnost'.