[Prevalence of leukopenia in Chengdu].
D000328:Adult; D000395:Air Pollutants, Occupational / Q000009:adverse effects; D002681:China; D005260:Female; D006801:Humans; D007970:Leukopenia / Q000453:epidemiology*; D008297:Male; D008403:Mass Screening; D008875:Middle Aged
D000395:Air Pollutants, Occupational