PARTHAV PATEL AN OBSERVATIONAL STUDY BETWEEN 0.125% ROPIVACAINE AND 0.125% BUPIVACAINE ALONG WITH TRAMADOL TO PROVIDE POST OPERATIVE EPIDURAL ANALGESIA IN ATIENTS UNDERGOING MAJOR ABDOMINAL SURGERIES. - PIPARIYA SUMANDEEP VIDYAPEETH 2014-2017 - 125 Subjects--Topical Terms: ANAESTHESIA Dewey Class. No.: 617.96