1. Bodansky M, Ondetti MA, Levine SD, Maravanan VL, Saltza M, Sheehan JT, Williams NJ, Sabo EF: Synthesis of a heptacosapeptide amide with the hormonal activity of secretin. Chem Ind 42:1757?1758, 1966
2. Gyr K, Kayasseh L, Rittmann WW, Girard J, Stalder GA: Comparison of the biological potency of a new synthetic preparation of secretin with that of natural porcine secretin in the dog. Gut 19:355?357, 1978
3. Schebalin M, Said SI, Mahklouf GM: Stimulation of insulin and glucagon secretion by vasoactive intestinal peptide. Am J Physiol 232:E197-E200, 1977
4. Wuensch E: Zur Synthese von biologisch vollaktivem Sekretin. Naturwissenschaften 59:239?248, 1972
5. Rick W, Stegbauer P: ?-Amylase. Messung der reduzierenden Gruppen.In Methoden der enzymatischen Analyse, HU Bergmeyer (ed.) Weinheim-Bergstrasse, Verlag Chemie, 1974, pp 848?853