Comparison of traditional systemic analgesic, single shot or continuous fascia iliaca compartment block for pain management in patients with hip or proximal femoral fractures: A protocol for systematic review and network meta-analysis

比较传统全身镇痛、单次注射或连续髂筋膜间隙阻滞治疗髋部或股骨近端骨折患者疼痛的疗效：系统评价和网络荟萃分析方案