Childhood lead poisoning in 1994.
E J
EJ
Schoen
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007855:Lead Poisoning / Q000453:epidemiology / Q000517:prevention & control*; D008403:Mass Screening; D014481:United States / Q000453:epidemiology