Conclusions
1. These experiments would compel the conclusions that pituitrin alone is a constant motor stimulant of the large and the small intestine of man. It increases motility without effect on intestinal tonus. Its action is rapid and powerful.
2. The action of the other three drugs is inconstant and uncertain, when amounts are given that will not cause other systemic effects.
3. These experiments open new avenues of valuable clinical physiologic research on man.
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Bargen, J.A., Guthrie, J.S. V. The effects of drugs on the motility of isolated segments of the intestine of man. American Journal of Digestive Diseases and Nutrition 2, 668–670 (1935). https://doi.org/10.1007/BF03000972
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DOI: https://doi.org/10.1007/BF03000972