Using wavelet phase coherence of heart rate variability and blood flow oscillations to compare mechanisms of action between Tai Chi mind-body exercise and brisk walking aerobic exercise. - Fuyuan Liao; Yameng Li; Shaojun Lyu; Panpan Chen; Isabella Yu-Ju Hung; Suguna Pappu; Yih-Kuen Jan (Biomed. Signal Process. Control., 2024)