WTC dust may cause respiratory problems. World Trade Center.
Betts
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D000393:Air Pollutants / Q000009:adverse effects* / Q000032:analysis; D000401:Aircraft; D003371:Cough / Q000209:etiology; D004391:Dust; D004781:Environmental Exposure; D004784:Environmental Monitoring; D006801:Humans; D007249:Inflammation; D009519:New York City; D010316:Particle Size; D018635:Rescue Work; D012140:Respiratory Tract Diseases / Q000209:etiology*; D023481:Terrorism; D014505:Urban Population
D000393:Air Pollutants; D004391:Dust