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 | Schmidt, Meic H. | Benzoporphyrin derivative and light-emitting diode for use in photodynamic therapy: applications of space light-emitting diode technology | Photodynamic therapy (PDT) is a cancer treatment modality that recently has been applied as adjuvant therapy for rain tumors. PDT consists of intravenously injecting a photosensitizer, which preferentially accumulates in tumor ells, into a patient and then activating the photosensitizer with a light... | Benzoporphyrin; Photodynamic therapy; Brain tumors; Photofrin | 1998 |