title: Aggregation effects on the photophysical properties of porphyrins in relation to mechanisms involved in photodynamic therapy.
mesh_terms: D017324:Hematoporphyrin Derivative; D006414:Hematoporphyrin Photoradiation; D006415:Hematoporphyrins; D006801:Humans; D009369:Neoplasms / Q000188:drug therapy; D010777:Photochemistry; D010778:Photochemotherapy; D011166:Porphyrins / Q000627:therapeutic use; D013329:Structure-Activity Relationship
chemical_list: D006415:Hematoporphyrins; D011166:Porphyrins; D017324:Hematoporphyrin Derivative