Chen, Kuan-Jung, Jung-Pan Wang, Hui-Kuang Huang, and Yi-Chao Huang. 2022. “An Investigation of Dynamic Ulnar Impingement After the Darrach Procedure With Ultrasonography”. Journal of Plastic Surgery and Hand Surgery 56 (5):277-84. https://doi.org/10.1080/2000656X.2021.1968416.