BCGDANSKY, S., 1990, Natural polymers as drug delivery systems, pp. 231
MULLER, R G., LUENBERGER, H., and KISSEL, T., 1996, Pharmaceutical Research, 13, 32, 10.1023/A:1016064930502
VURAL, I., KAs, S., HINCAL, A. A., and CAVE, G., 1990, Journal of Microencapsulation, 7, 511, 10.3109/02652049009040474