G√úDEN, M.; AKPINAR, B.; SAGBAS, E.; SANISOGLU, I.; ERGENOGLU, M. U.; OZBEK, U.; OZBEK, U. A Radiofrequency Modified Maze and Valve Procedure through a Port-Access Approach. The Heart Surgery Forum, v. 6, n. 5, p. 292-296, 8 Feb. 2005.