Delayed improvement of autonomic nervous abnormality after the Maze procedure: time and frequency domain analysis of heart rate variability using 24 hour Holter monitoring
Kengo Fukushima, Tetsuro Emori, Wataru Shimizu, Takashi Kurita, Naohiko Aihara, Yoshio Kosakai, Fumitaka Isobe, Katsuro Shimomura, Yasunaru Kawashima, Tohru Ohe
Heart Nov 1997, 78 (5) 499-504; DOI: 10.1136/hrt.78.5.499