Comparing Effect of Adding Ketamine Versus Dexmedetomidine to Bupivacaine in Pec 11 Modified Block on Postoperative Pain Control in Patients Undergoing Breast Surgery
More Effective Postoperative Analgesia After Modified Radical Mastectomy With Better Drug Combination
More Prolonged Duration of Postoperative Analgesia After Modified Radical Mastectomy With Better Drug Combination