Jha Soumya An Observational Study to Compare the Effects of Intrathecal Fentanyl and Butorphanol with Low Dose Bupivacaine to Facilitate Early Ambulation in Perineal Surgeries - Piparia Vadodara Sumandeep Vidyapeeth 2018-21 - Xii,99p. Subjects--Topical Terms: ANAESTHESIA Dewey Class. No.: 617.96 / JHA