title: Laboratories which conduct lead analyses on biologic specimens.
mesh_terms: D002624:Chemistry, Clinical / Q000592:standards*; D007753:Laboratories / Q000592:standards; D007854:Lead / Q000097:blood* / Q000652:urine*; D007855:Lead Poisoning / Q000175:diagnosis; D008403:Mass Screening; D009566:Nitrates / Q000097:blood / Q000652:urine; D009786:Occupational Health Services; D010414:Pennsylvania
chemical_list: D009566:Nitrates; D007854:Lead