PRAVEEN KUMAR, BHUPENDRA SINGH, HARSHA D, and VIKRAM SINGH RATHORE. 2024. “A COMPARISON OF EFFICACY OF EPIDURAL BUTORPHANOL AND FENTANYL FOR POST-OPERATIVE PAIN ANALGESIA IN LOWER ABDOMINAL AND LOWER LIMB SURGERIES UNDER EPIDURAL ANESTHESIA: A PROSPECTIVE RANDOMIZED DOUBLE-BLINDED STUDY”. Asian Journal of Pharmaceutical and Clinical Research 17 (10):38-42. https://doi.org/10.22159/ajpcr.2024v17i10.52123.