Ishikawa, N., Sun, Y. S., Nifong, L. W., Watanabe, G. and Chitwood, W. R. (2008) “How to Do It: Importance of Left Atrial Side Retraction in Robotic and Minimally Invasive Mitral Valve Surgery”, The Heart Surgery Forum, 11(5), pp. E270-E271. doi: 10.1532/HSF98.20071152.