title: Lead exposure and cognitive development.
mesh_terms: D002657:Child Development / Q000187:drug effects*; D002675:Child, Preschool; D003071:Cognition / Q000187:drug effects*; D004812:Epidemiologic Methods; D005312:Fetal Blood / Q000032:analysis; D006801:Humans; D007223:Infant; D007854:Lead / Q000032:analysis / Q000633:toxicity*
chemical_list: D007854:Lead