1. The controlled parenteral delivery of polypeptides and proteins;Pitt;Int. J. Pharm.,1990
2. Determination of internal pH in PLGA microspheres using 31P NMR spectroscopy;Burke;Int. Symp. Control. Rel. Bioact. Mater., Controlled Release Society,1996
3. Biodegradable polymers for protein and peptide drug delivery;Gombotz;Bioconjugate Chem.,1995
4. D.H. Lewis, Controlled release of bioactive agents from lactide/glycolide polymers, in: M. Chasin, R. Langer (Eds.), Drugs and the Pharmaceutical Sciences, Vol. 45, Marcel Dekker, New York, 1990, pp. 1–41.
5. J.L. Cleland, Protein delivery from biodegradable microspheres, in: S.A. Hendren (Ed.), Protein Delivery: Physical Systems, Plenum Press, New York, 1997, pp. 1–43.