|Title of host publication||Proceedings of the Controlled Release Society|
|Number of pages||2|
|State||Published - 1993|
Bibliographical noteFunding Information:
The authors would like to thank the financial support of NIH Grant # CA5257 and a NSF graduatef ellowship. We would also like to thank Dr Ruxandra Gref for valuable discussions,D r Manoj Maniar for providing the polymersf or this study, and Irene Chen and Judy Pang for their technical assistance.