title: The biochemical diagnosis of the porphyrias.
mesh_terms: D005243:Feces / Q000032:analysis; D006801:Humans; D008107:Liver Diseases / Q000175:diagnosis; D008722:Methods; D011164:Porphyrias / Q000145:classification / Q000175:diagnosis* / Q000378:metabolism; D011166:Porphyrins / Q000032:analysis / Q000097:blood / Q000652:urine; D012871:Skin Diseases / Q000175:diagnosis
chemical_list: D011166:Porphyrins