http://pec.lib.wvu.edu/record/P11021941The Effect of sodium amytal on the emptying time of the normal human stomach. Journal article reprint from: <em>The Journal of Pharmacology and Experimental Therapeutics</em>, v.73:no.2 (1941:Oct.).Northup, David W.Van Liere, Edward J., 1895-1979.Digestive system.Digestive physiology.Gastric emptying.Stomach.14256