title: Lead poisoning among children from Santo Amaro, Brazil.
mesh_terms: D001938:Brazil; D002648:Child; D002675:Child, Preschool; D004781:Environmental Exposure; D006801:Humans; D007223:Infant; D007855:Lead Poisoning / Q000453:epidemiology* / Q000209:etiology; D011524:Protoporphyrins / Q000097:blood; D012306:Risk; D014505:Urban Population
chemical_list: D011524:Protoporphyrins; C017803:zinc protoporphyrin