Yoshihiro, Goto, Sho Takagi, Junji Yanagisawa, Akio Nakasu, and Yasuhide Okawa. “Endoscopic Internal Thoracic Artery Harvesting With Changes in Scope Position”. The Heart Surgery Forum 24, no. 6 (November 17, 2021): E950-E951. Accessed December 4, 2021. https://journal.hsforum.com/index.php/HSF/article/view/4195.