Wehberg, K. E., J. C. Todd, J. S. Julian, N. L. Ogburn, E. H. Klopp, and M. P. Buchness. “Robotic-Assisted Off-Pump Sole Transmyocardial Revascularization: Case Report”. The Heart Surgery Forum, vol. 7, no. 2, Jan. 2005, pp. E130-E131, doi:10.1532/HSF98.20033006.