A PROSPECTIVE RANDOMIZED STUDY TO KNOW THE EFFICACY OF DEXMEDETOMIDINE AS AN ADJUVANT TO ROPIVACAINE IN THE ULTRASOUND-GUIDED PECTORAL NERVE BLOCK FOR POST MODIFIED RADICAL MASTECTOMY ANALGESIA, Prajwal Patel H S, Sarvesh B, Bhavyashree G Y, INTERNATIONAL JOURNAL OF PURE MEDICAL RESEARCH : Volume-8 | Issue-7 | July-2023