Beat-to-beat QT interval variability before and after cardiac surgery. - Sabina Frljak; Viktor Avbelj; Roman Trobec; B. Meglic; Toshimi Ujiie; Borut Gersak (Comput. Biol. Medicine, 2003)

Changes of the beat amplitude power after partial left ventriculectomy and coronary artery bypass grafting. - Toshimi Ujiie (Comput. Biol. Medicine, 2003)