1. C. Nicolau and A. Paraf, “Liposomes, Drugs and Immunocompetent Cell Functions,” Academic Press Inc., London, 1981.
2. M. W. Berns, “Hematoporphyrin Derivative Photoradiation Therapy of Cancer,” ed. by M. W. Berns, Alan R. Liss, Inc., New York, 1984, pp. 1 ~4.
3. G. Gregoriadis and A. C. Allison, “Liposomes in Biological Systems,” John Wiley & Sons, Chichester, New York, 1980.