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ORIGINAL RESEARCH

Efficacy of Ketamine versus Magnesium Sulphate as Adjuvants to Levobupivacaine in Ultrasound Bilevel Erector Spinae Block in Breast Cancer Surgery (a Double-Blinded Randomized Controlled Study)

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Pages 87-96 | Received 13 Jul 2022, Accepted 14 Sep 2022, Published online: 23 Sep 2022