title: Causes of regional differences in air pollution effects are being studied further.
authors.forename: K
authors.initials: K
authors.lastname: Katsouyanni
authors.forename: G
authors.initials: G
authors.lastname: Touloumi
mesh_terms: D000368:Aged; D000397:Air Pollution / Q000706:statistics & numerical data; D005060:Europe; D006801:Humans; D009026:Mortality; D012307:Risk Factors; D013458:Sulfur Dioxide / Q000009:adverse effects*; D013696:Temperature; D014504:Urban Health
chemical_list: D013458:Sulfur Dioxide