title: Simplified method for the determination of porphyrins in body fluids.
mesh_terms: D000818:Animals; D006581:Hexachlorobenzene / Q000633:toxicity; D006801:Humans; D007855:Lead Poisoning / Q000652:urine; D008722:Methods; D011164:Porphyrias / Q000652:urine; D011166:Porphyrins / Q000652:urine*; D011817:Rabbits; D051381:Rats
chemical_list: D011166:Porphyrins; D006581:Hexachlorobenzene