http://pec.lib.wvu.edu/record/P11071941The Emptying time of the stomach of old people. Journal article reprint from: <em>The American Journal of Physiology</em>, v.134:no.4 (1941:Nov.). Northup, David W.Van Liere, Edward J., 1895-1979.Digestive system.Digestive physiology.Geriatric gastroenterology.Stomach.Gastric emptying.14256