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Continue to ChatAddition of fentanyl to bupivacaine prolongs anesthesia and analgesia in axillary brachial plexus block - https://avesis.omu.edu.tr/yayin/7a8e0d62-b804-4c1a-bdeb-c4696464ec49/addition-of-fentanyl-to-bupivacaine-prolongs-anesthesia-and-analgesia-in-axillary-brachial-plexus-block