title: A simple screening strategy for diagnosing the porphyrias.
mesh_terms: D000328:Adult; D006801:Humans; D008099:Liver / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D010787:Photosensitivity Disorders / Q000209:etiology; D011162:Porphobilinogen / Q000378:metabolism; D011164:Porphyrias / Q000175:diagnosis* / Q000378:metabolism; D011166:Porphyrins / Q000378:metabolism
chemical_list: D011166:Porphyrins; D011162:Porphobilinogen