USES OF MEDICAL AND EPIDEMIOLOGICAL RESEARCH IN THE CONTROL AND PREVENTION OF AIR  POLLUTION.
D000397:Air Pollution; D002140:California; D002248:Carbon Monoxide; D016021:Epidemiologic Studies; D004813:Epidemiology; D007878:Legislation as Topic; D009584:Nitrogen; D010126:Ozone; D012106:Research; D012498:Sanitary Engineering; D013440:Sulfides
D013440:Sulfides; D010126:Ozone; D002248:Carbon Monoxide; D009584:Nitrogen
AIR POLLUTION; CALIFORNIA; CARBON MONOXIDE; EPIDEMIOLOGY; LEGISLATION; NITROGEN; OZONE; RESEARCH; SANITARY ENGINEERING; SULFIDES