The effect of acute dark chocolate consumption on carbohydrate metabolism and performance during rest and exercise - Stellingwerff, T.; Godin, J. -P.; Chou, C. J.; Grathwohl, D.; Ross, A. B.; Cooper, K. A.; Williamson, G.; Lucas Actis-Goretta, L. (Applied Physiology, Nutrition, and Metabolism, 2014)