Yasuda, T., G. Watanabe, S. Tomita, and K. Higashidani. “Immobilization of Ascending Aorta With Starfish Positioner in Off-Pump CABG”. The Heart Surgery Forum, vol. 9, no. 1, Nov. 2005, pp. E488-E489, doi:10.1532/HSF98.20051122.