title: Visceral porphyrins in circulatory disorders and in tumor disease in humans.
mesh_terms: D002908:Chronic Disease; D006801:Humans; D009369:Neoplasms / Q000378:metabolism*; D011166:Porphyrins / Q000032:analysis / Q000378:metabolism*; D014652:Vascular Diseases / Q000378:metabolism*
chemical_list: D011166:Porphyrins