Air pollution in Texas, 1973: basic information for physicians. TMA Committee on Environmental Pollution.
D000397:Air Pollution / Q000032:analysis; D002248:Carbon Monoxide / Q000032:analysis; D006801:Humans; D006838:Hydrocarbons / Q000032:analysis; D007878:Legislation as Topic; D009589:Nitrogen Oxides / Q000032:analysis; D013458:Sulfur Dioxide / Q000032:analysis; D013781:Texas
D006838:Hydrocarbons; D009589:Nitrogen Oxides; D013458:Sulfur Dioxide; D002248:Carbon Monoxide