Evaluation of the second-generation whole-heart motion correction algorithm (SSF2) used to demonstrate the aortic annulus on cardiac CT oleh Yoriaki Matsumoto, Chikako Fujioka, Kazushi Yokomachi, Nobuo Kitera, Eiji Nishimaru, Masao Kiguchi, Toru Higaki, Ikuo Kawashita, Fuminari Tatsugami, Yuko Nakamura, Kazuo Awai