title: A simplified method for the quantitative determination of urinary coproporphyrin in lead workers.
mesh_terms: D004987:Ethers; D006801:Humans; D006851:Hydrochloric Acid; D007221:Industry; D007455:Iodine; D007854:Lead; D008722:Methods; D011166:Porphyrins / Q000652:urine*; D013053:Spectrophotometry
chemical_list: D004987:Ethers; D011166:Porphyrins; D007854:Lead; D007455:Iodine; D006851:Hydrochloric Acid