Augmented reality (AR) and fracture mapping model on middle-aged femoral neck fracture: A proof-of-concept towards interactive visualization oleh Yong-Qin Wang, Peng-Fei Li, Zi-Huan Xu, Ying-Qi Zhang, Qua-Na Lee, James Chung-Wai Cheung, Ming Ni, Duo Wai-Chi Wong