Effect of femoral nerve combined with sciatic nerve block and patient-controlled intravenous analgesia on postoperative analgesia after total knee arthroplasty#br#
LIU Yuan-hui, QIU Liu-ji, LIN Xiao-feng, LUO De-xing
Journal of Hebei Medical University . 2020, (1): 85 -88,93 .  DOI: 10.3969/j.issn.1007-3205.2020.01.020