Columbia subject headings:
Accidental poisoning in children--United States--Prevention.
Lead poisoning in children--United States.
Lead--Environmental aspects--United States.
Lead--Toxicology--United States.
Harvard subject headings:
Accidental poisoning in children--United States--Prevention.
Lead poisoning in children--United States.
Lead--Environmental aspects--United States.
Lead--Toxicology--United States
Princeton subject headings: