亚甲蓝+罗哌卡因混合液肛周封闭对环状混合痔患者术后镇痛的效果

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Effect of Perianal Blockage with Methylthioninium + Ropivacaine Admixture on Postoperative Analgesia in Patients with Circular Mixed Hemorrhoids/SHI Y(剩余10781字)

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