1Kennedy JC, Pottier RH, Pross DC. Photodynamic therapy with endogenous protoporphyrin Ⅸ: basic principle and present clinical exerience. J Photochem. Photobiol B Biol, 1990,6:143
2Iinuma S, Farshi SS, Ortel B, et al. A mechanistic study of cellular photodestruction with 5-aminolaevulinic acid-induced porphyrin. Br J Cancer, 1994,70:21
4Merlin J, Azzi S, Lignon D, et al. MTT assays allow quick and reliable measurement of the response of human tumour cells to photodynamic therapy. Eur J Cancer, 1992, 28:1452
5Tan WC, Krasner N, Toole PO, et al. Enhancement of phogodynamic therapy in gastric cancer cells by removal of iron. Gut, 1997,41:14
6Ganesan S, Masilamani V. Photodynamic activity on human larynx epidermoid carcinoma cell line, HEp-2. Med Sci Res, 1994,22:849
7Cheong WF, Prahl SA, Welch AJ. A review of the optical properties of biological tissues. leee J Quantum Electron, 1990,26:2166