Porphyrin metabolism in human neoplastic tissues.
D006418:Heme / Q000096:biosynthesis; D006801:Humans; D066298:In Vitro Techniques; D009369:Neoplasms / Q000378:metabolism*; D011166:Porphyrins / Q000378:metabolism*
D011166:Porphyrins; D006418:Heme