PRAVEEN KUMAR; BHUPENDRA SINGH; HARSHA D; VIKRAM SINGH RATHORE. 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, [S. l.], v. 17, n. 10, p. 38–42, 2024. DOI: 10.22159/ajpcr.2024v17i10.52123. Disponível em: https://mail.innovareacademics.in/journals/index.php/ajpcr/article/view/52123. Acesso em: 21 dec. 2024.