Bad grades for school buses.
Angela
A
Spivey
D000293:Adolescent; D016902:Air Pollution, Indoor / Q000009:adverse effects / Q000032:analysis*; D002648:Child; D002669:Child Welfare; D004781:Environmental Exposure; D006801:Humans; D018986:Motor Vehicles; D009369:Neoplasms / Q000209:etiology; D012140:Respiratory Tract Diseases / Q000209:etiology; D018570:Risk Assessment; D013334:Students; D014186:Transportation; D001335:Vehicle Emissions / Q000009:adverse effects / Q000032:analysis*
D001335:Vehicle Emissions