Vuksan, V., Sievenpiper, J.L., Koo, V.Y., Francis, T., Beljan-Zdravkovic, U., Xu, Z. and Vidgen, E. (2000) American Ginseng (Panax quinquefolius L.) Reduces Postprandial Glycemia in Nondiabetic Subjects and Subjects with Type 2 Diabetes Mellitus. Archives of Internal Medicine, 160, 1009-1013.