title: Letter: Blood-lead levels, behaviour, and intelligence.
mesh_terms: D000293:Adolescent; D001519:Behavior; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007360:Intelligence; D007361:Intelligence Tests; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000150:complications; D007858:Learning; D007859:Learning Disabilities / Q000139:chemically induced*; D008297:Male; D013030:Spain / Q000208:ethnology; D013781:Texas
chemical_list: D007854:Lead