The Clinical Value of Extracorporeal Shock Wave Therapy Evaluated by Contrast-Enhanced Ultrasound for Noninfectious Nonunion. - Yinfeng Hu; Xuewen Jia; Yingchun Zhu; Youfeng Xu; Minhua Guo; Ling Ma; Nan Su; Mingming Jiangyue; Yufeng Zhu; Shengmin Zhang (J. Medical Imaging Health Informatics, 2021)