1.) Vlachopoulos C, Aznaouridis K, Alexopoulos N, et al. Effect of dark chocolate on arterial function in healthy individuals. Am J Hypertens 2005;18:785-91.
2.) Flammer AJ, Hermann F, Sudano I, et al. Dark chocolate improves coronary vasomotion and reduces platelet reactivity. Circulation 2007;116:2376-82.
3.) Kris-Etherton, P. M. and Keen, C. L. Evidence that the antioxidant flavonoids in tea and cocoa are beneficial for cardiovascular health. Curr.Opin.Lipidol. 2002;13(1):41-49.
4.) Steinberg, F. M., Bearden, M. M., and Keen, C. L. Cocoa and chocolate flavonoids: implications for cardiovascular health. J Am.Diet.Assoc. 2003;103(2):215-223.
5.) Shiina, Y., Funabashi, N., Lee, K., Murayama, T., Nakamura, K., Wakatsuki, Y., Daimon, M., and Komuro, I. Acute effect of oral flavonoid-rich dark chocolate intake on coronary circulation, as compared with non-flavonoid white chocolate, by transthoracic Doppler echocardiography in healthy adults. Int J Cardiol. 1-24-2009;131(3):424-429.
6.) Spadafranca, A., Martinez, Conesa C., Sirini, S., and Testolin, G. Effect of dark chocolate on plasma epicatechin levels, DNA resistance to oxidative stress and total antioxidant activity in healthy subjects. Br.J Nutr 2010;103(7):1008-1014.