Lead screening in South Carolina.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D007854:Lead / Q000097:blood*; D007855:Lead Poisoning / Q000453:epidemiology*; D011524:Protoporphyrins / Q000097:blood; D013022:South Carolina
D011524:Protoporphyrins; D007854:Lead