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Comparative study of 0.375% bupivacaine and 0.375% ropivacaine in brachial plexus block via supraclavicular approach. Int Jour of Biomed Res [Internet]. 2015 Feb. 28 [cited 2026 Mar. 31];6(2):77-82. Available from: https://ssjournals.co.in/index.php/ijbr/article/view/1601