Principle and design of clinical efficacy observation of extracorporeal cardiac shock wave therapy for patients with myocardial ischemia-reperfusion injury: A prospective randomized controlled trial protocol - Xianbin Li; Chaoyue Zhang; Changzhi Liu; Yiming Ma; Yunke Shi; Yujia Ye; Xuejuan Ma; Yixi Liu; Xiang Luo; Fanru Lin; Jincheng Wang; Jifa Tao; et al. (PLoS ONE, 2023)