title: Porphyrin metabolism in porphyria cutanea tarda.
mesh_terms: D005243:Feces / Q000032:analysis; D006418:Heme / Q000096:biosynthesis; D006801:Humans; D008107:Liver Diseases / Q000201:enzymology / Q000378:metabolism* / Q000652:urine; D011164:Porphyrias / Q000201:enzymology / Q000378:metabolism* / Q000652:urine; D011165:Porphyrinogens / Q000378:metabolism; D011166:Porphyrins / Q000096:biosynthesis / Q000378:metabolism* / Q000652:urine
chemical_list: D011165:Porphyrinogens; D011166:Porphyrins; D006418:Heme