YADAV SATYAM AN OBSERVATIONAL STUDY TO COMPARE FENTANYL WITH TRAMADOL AS AN ADJUVANT TO LOCAL ANAESTHETIC (LEVOBUPIVACAINE) IN SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK - PIPARIA-VADODARA SBKS MDEICAL INSTITUTE & RESEARCH CENTRE 2015-2018 - 87 Subjects--Topical Terms: ANAESTHESIA Dewey Class. No.: 617.96