TY - BOOK AU - SHYAM KARIA TI - 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 U1 - 617.96 PY - 2012/// CY - PIPARIA PB - SUMANDEEP VIDYAPEETH KW - ANAESTHESIOLOGY ER -