Effectiveness of Thoracic Paravertebral and Intercostal Nerve Blocks As a Part of Postoperative Analgesia in Patients Undergoing Open Cholecystectomy under General Anesthesia in Addis Ababa, Ethiopia: A Prospective Cohort Study, 2018
International Journal of Surgery Open（2019）
关键词
Paravertebral block,Intercostal block,Postoperative pain,Pain management and open cholecystectomy
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