1. Controlled Release of Biologically Active Agents;Baker,1987
2. Microencapsulation: Methods and Industrial Applications;Benita,1996
3. Biodegradable Polymers as Drug Delivery Systems;Chasin,1990
4. Nasal Systemic Drug Delivery;Chien,1989
5. Medical aerosol inhalers: Past, present and future;Clark;Aerosol Sci. Technol,1995