title: Estimation of blood lead values from blood porphyrin and urinary 5-aminolevulinic acid levels in workers.
mesh_terms: D000622:Aminolevulinic Acid / Q000652:urine*; D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000097:blood*; D007982:Levulinic Acids / Q000652:urine*; D009787:Occupational Medicine; D011166:Porphyrins / Q000097:blood*; D012015:Reference Standards
chemical_list: D007982:Levulinic Acids; D011166:Porphyrins; D007854:Lead; D000622:Aminolevulinic Acid