Conclusions
Closure of the pylorus is not an essential factor in the delayed emptying from the stomach of oil, acid solutions and certain other liquids. One function of the pylorus is to control duodenal regurgitation.
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From the Department of Physiology of the Jefferson Medical College of Philadelphia, Pa.
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Crider, J.O., Thomas, J.E. A study of gastric emptying with the pylorus open. American Journal of Digestive Diseases and Nutrition 4, 295–300 (1937). https://doi.org/10.1007/BF02999921
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DOI: https://doi.org/10.1007/BF02999921