Lee Sak, Yi Gijong, Youn Young-Nam, Song Suk-Won, Kim Do-Kyun, Chang Byung-Chul
Department of Thoracic and Cardiovascular Surgery, Yonsei Cardiovascular Center, Yonsei University College of Medicine, Seoul, Republic of Korea.
Ann Thorac Surg. 2008 Mar;85(3):1106. doi: 10.1016/j.athoracsur.2007.06.041.