title: Letter: Blood-lead levels, behaviour, and intelligence.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D002653:Child Behavior Disorders / Q000139:chemically induced*; D004781:Environmental Exposure; D005260:Female; D006801:Humans; D007360:Intelligence / Q000187:drug effects*; D007854:Lead / Q000009:adverse effects / Q000097:blood* / Q000494:pharmacology; D008297:Male; D012572:School Health Services; D012737:Sex Factors
chemical_list: D007854:Lead