BANERJEE, S.; PATTNAIK, S. K. A COMPARITIVE STUDY BETWEEN EPIDURAL BUTORPHANOL, NALBUPHINE AND FENTANYL FOR POSTOPERATIVE ANALGESIA IN LOWER ABDOMINAL SURGERIES. Asian Journal of Pharmaceutical and Clinical Research, [S. l.], v. 10, n. 5, p. 383–388, 2017. DOI: 10.22159/ajpcr.2017.v10i5.16802. Disponível em: https://journals.innovareacademics.in/index.php/ajpcr/article/view/16802. Acesso em: 29 mar. 2024.