1. Alternative delivery sytems for peptides and proteins as drugs;Eppstein;Crit. Rev. Ther. Drug Carrier Syst.,1988
2. Nasal Systemic Drug Delivery;Chien,1989
3. Recent progress in protein and peptide delivery by noninvasive routes;Wearley;Crit. Rev. Ther. Drug Carrier Syst.,1991
4. Mucosal penetration enhancers for facilitation of peptide and protein drug absorption;Lee;Crit. Rev. Ther. Drug Carrier Syst.,1991
5. Nasal delivery of peptides: factors affecting nasal absorption;Illum,1992