The efficacy of liposomal bupivacaine in parasacral ischial plane block for pain management after total knee arthroplasty: a randomized controlled trial. - Pan, Xuan; Ye, Peng; Zheng, Ting; Gong, Cansheng; Zheng, Chunying; Zheng, Xiaochun (Journal of Orthopaedic Surgery & Research, 2025)