1. G. Levy, in “Proceedings of the Fifth International Congress of Pharmacology”, G. Acheson, ed., S. Karger, Basel, 3, 34 (1973)
2. J. A. Lutterman, A. A. J. Adriaansen & A. van’t Larr, Diabet ologia, 17, 17 (1979)
3. J. Urquhart, in “Institute of Medicine Conference Proceedings: Pharmaceuticals for Developing Countries”, National Academy of Sciences, Washington, D.C., 329 (1979)
4. A. Zaffaroni, in “Abstract of Papers Presented at the 31st International Congress of Pharmaceutical Sciences”, Washington, D.D., 19 (1971)
5. F. E. Yates, H. Benson, R. Buckles, J. Urquhart & A. Zaffaroni, in “Advances in Biomedical Engineering”, J. H. U. Brown & J. F. Dickson, eds., Academic Press, New York, 5, 1 (1975)