Reliability and validity of assessing lower‐limb muscle architecture of patients with cerebral palsy (CP) using ultrasound: A systematic review W Liu, HD Wu, YT Ling, QTK Shea, V Nazari, YP Zheng, CZH Ma Journal of Clinical Ultrasound 51 (7), 1212-1222, 2023 | 2 | 2023 |