1. Jahnecke, J.: Med. Klin., 68: 1046, 1973.
2. Malaisse, W., and Malaisse-Lagae, F.: Nouv. Presse Med., 1: 473, 1972.
3. Okamoto, K.: In: Diabetes Mellitus: Therapy and Practice. Edited by M. Ellenberg and H. Rifkin. McGraw Hill, New York, 1970, p. 230.
4. Rerup, C. C.: Pharmacol. Rev., 22: 485, 1970.
5. Fischer, L. J., and Rickert, D. E.: Crit. Rev. Toxicol., 3: 231, 1975.