Wu, Zhigui, Yurui Fang, Ju Li, Rongkun Sun, and Lijuan Hou. 2021. “Evidence Based Study on the Effect of Taijiquan Intervention on Autonomic Nervous System in the Elderly”. The Journal of the International Society of Chinese Health Practices 2 (1). http://ischp.org/ojs/index.php/jischp/article/view/194.