Efficacy of Cardiac Resynchronization Therapy Performed Concomitantly with Primary Cardiac Surgery oleh Keisuke Morimoto, MD, Kenji Ando, MD, Hiroaki Kitaoka, MD, Takayuki Yamada, MD, Kei Nishiyama, MD, Kouyu Sakai, MD, Hideyuki Nosaka, MD, Yoshinori Doi, MD, Masakiyo Nobuyoshi, MD