1. (FERUTTI, P. and TANZY, M.C., CRC Critical Review, in Therapeutic Drug Carrier Systems, Bruck, S.D., Ed., in press
2. VERT, M. and LENZ, R.W., ACS Polym. Prept.20 (1), 608 (1979)
3. LENZ, R.W. and VERT, M. , U.S. Pats. 4, 265, 247 (May 5, 1981) and 4, 320, 753 (March 23, 1982)
4. WOPJCIK, R., Ph. D. Thesis, University of Massachusetts (feb. 1983)
5. GUERIN, Ph., Unpublished results