Usefulness of biologic and air standards for lead.
D000397:Air Pollution / Q000517:prevention & control*; D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000097:blood / Q000652:urine; D007855:Lead Poisoning / Q000175:diagnosis*; D008452:Maximum Allowable Concentration; D009787:Occupational Medicine; D014481:United States
D007854:Lead