title: Blood lead - an inadequate measure of occupational exposure.
mesh_terms: D000328:Adult; D000622:Aminolevulinic Acid / Q000652:urine; D004492:Edetic Acid; D004781:Environmental Exposure; D004912:Erythrocytes / Q000201:enzymology; D005069:Evaluation Studies as Topic; D006801:Humans; D007854:Lead / Q000097:blood* / Q000652:urine; D007855:Lead Poisoning / Q000097:blood / Q000175:diagnosis* / Q000652:urine; D008297:Male; D008722:Methods; D008875:Middle Aged; D009784:Occupational Diseases / Q000097:blood / Q000175:diagnosis*; D000623:Porphobilinogen Synthase / Q000097:blood; D011524:Protoporphyrins / Q000097:blood
chemical_list: D011524:Protoporphyrins; D007854:Lead; D000622:Aminolevulinic Acid; D004492:Edetic Acid; D000623:Porphobilinogen Synthase