Lian, Shuying, et al. “Study on the Status of Exercise Fear, Rehabilitation Exercise KAP and Their Ccorrelation in Patients After Percutaneous Coronary Intervention”. Sports & Social Psychology, vol. 2, no. 1, May 2022, pp. 44-51, https://masonpublish.org/index.php/sports-social-psychology/article/view/2040.