SHYAM KARIA TO STUDY THE EFFICACY OF ROPIVACAINE (0.75%) WITH OR WITHOUT BUTORPHANOL AS AN ADJUVANT IN SINGLE SHOT EPIDURAL ANAESTHESIA IN LOWER LIMB ORTHOPEDIC SURGERIES - PIPARIA SUMANDEEP VIDYAPEETH 2012 - 119 Subjects--Topical Terms: Dewey Class. No.: 617.96