3. Naka Y, Iaetsu I, Yamamoto Y, Hayashi K, J. Polym. Sci. A: Polym. Chem., 29, 1197 (1991)
4. Pavanetto F, Conti B, Genta I, Giunchedi P, Int. J. Pharm., 84, 151 (1992)
5. Kim A, Park SJ, Lee JR, J. Colloid Interface Sci., 197(1), 119 (1998)
6. Lewis DH, Chasin MBiodegradable Polymers as Drug Delivery Systems, R. Langer, Editor, Marcel Dekker, New York (1990)
7. Vert M, Li S, Garreau H, J. Control. Release, 16, 15 (1991)
8. Dunn RL, English JP, Strobel JD, Cowsar DR, Tice TRPreparation and Evaluation of Lactide/Glycolide Copolymers for Drug Delivery, in Polymers in Medicin, C. Migliaresi et al., Editors, Elsevier Science Publishers, Amsterdam, Vol. 3, p. 149 (1988)
9. Park SJ, Kim SH, Lee JR, Lee HB, Hong SK, Polym.(Korea), 26(3), 326 (2002)