title: Occupational exposure to inorganic compounds of lead. Investigation of  -aminolevulinic acid and coproporphyrin excretion rates of persons exposed occupationally for the first time.
mesh_terms: D000397:Air Pollution; D000596:Amino Acids / Q000378:metabolism*; D004781:Environmental Exposure; D006801:Humans; D007854:Lead / Q000652:urine; D007855:Lead Poisoning / Q000175:diagnosis / Q000378:metabolism; D007982:Levulinic Acids / Q000378:metabolism*; D008297:Male; D011166:Porphyrins / Q000378:metabolism*
chemical_list: D000596:Amino Acids; D007982:Levulinic Acids; D011166:Porphyrins; D007854:Lead