title: [Acute respiratory diseases (ARD) and air pollution in Sofia].
mesh_terms: D000208:Acute Disease; D000397:Air Pollution; D002031:Bulgaria; D006801:Humans; D012141:Respiratory Tract Infections / Q000453:epidemiology*
vernacular_title: Akute respiratorische Erkrankungen (ARE) und Luftverunreinigung in Sofia.