Effect of liposomal bupivacaine for the suprascapular nerve combined with axillary nerve block on postoperative analgesia in patients undergoing shoulder surgery: a randomized, observer-blinded trial

脂质体布比卡因肩胛上神经阻滞联合腋神经阻滞对肩关节手术患者术后镇痛效果的影响：一项随机、观察者盲法试验