Porphyrin photosensitization.
D006415:Hematoporphyrins / Q000627:therapeutic use*; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy; D010778:Photochemotherapy; D011166:Porphyrins / Q000627:therapeutic use*
D006415:Hematoporphyrins; D011166:Porphyrins