TY - GEN AU - Peters,J M AU - Avol,E AU - Navidi,W AU - London,S J AU - Gauderman,W J AU - Lurmann,F AU - Linn,W S AU - Margolis,H AU - Rappaport,E AU - Gong,H AU - Thomas,D C TI - A study of twelve Southern California communities with differing levels and types of air pollution. I. Prevalence of respiratory morbidity SN - 1073-449X PY - 1999///0401 KW - Acids KW - adverse effects KW - Air Pollutants KW - Asthma KW - epidemiology KW - Bronchitis KW - California KW - Child KW - Chronic Disease KW - Cohort Studies KW - Cough KW - Female KW - Humans KW - Male KW - Nitrogen Dioxide KW - Ozone KW - Prevalence KW - Prospective Studies KW - Respiratory Sounds KW - etiology KW - Respiratory Tract Diseases KW - Surveys and Questionnaires N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1164/ajrccm.159.3.9804143 ER -