title: Lead in the environment: preliminary communication.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001208:Asia / Q000208:ethnology; D002648:Child; D002675:Child, Preschool; D004785:Environmental Pollutants / Q000032:analysis*; D005260:Female; D006306:Health Surveys; D006801:Humans; D007854:Lead / Q000097:blood* / Q000633:toxicity; D008297:Male
chemical_list: D004785:Environmental Pollutants; D007854:Lead