1. New hydrophilic vehicles enabling rectal and vaginal absorption of insulin, heparin, phenol red and gentamycine;Touitou;J. Pharm. Pharmacol.,1978
2. Increased intestinal absorption of insulin: insulin suppository;Shichiri;J. Pharm. Pharmacol.,1978
3. Effect of surfactant on rectal insulin absorption in rabbits;Nishioka;Yakuzaigaku,1978
4. Prodrug as Novel Drug Delivery System;Higuchi,1977