Lead and mental handicap.
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008607:Intellectual Disability / Q000139:chemically induced*; D007360:Intelligence; D007854:Lead / Q000097:blood; D007855:Lead Poisoning / Q000150:complications*; D008131:London; D009519:New York City; D012606:Scotland; D013781:Texas
D007854:Lead