1. Biodegradables and Delivery Systems for Contraception,1980
2. Biodegradable delivery systems based on aliphatic polyesters: application to contraceptives and narcotic antagonists;Pitt,1980
3. Controlled release systems for contraception;Nash,1984
4. Controlled release of bioactive agents from lactide/glycolide polymers;Lewis,1990
5. Poly(ε-caprolactone) and its copolymers;Pitt,1990