Cancer incidence in USAF aircrew.
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D000337:Aerospace Medicine; D006801:Humans; D015994:Incidence; D008889:Military Personnel / Q000706:statistics & numerical data*; D009062:Mouth Neoplasms / Q000209:etiology*; D010947:Plants, Toxic; D012107:Research Design / Q000592:standards*; D014030:Tobacco, Smokeless / Q000009:adverse effects*; D014481:United States