title: Porphyrin in the urine as a first symptom of leadpoisoning.
mesh_terms: D001826:Body Fluids; D006801:Humans; D007854:Lead / Q000633:toxicity*; D007855:Lead Poisoning; D011166:Porphyrins; D014556:Urine
chemical_list: D011166:Porphyrins; D007854:Lead
keywords: LEAD/toxicity; URINE/porphyrin and porphyrin compounds