SINGH, Y.; YADAV, A.; BAJPAI, V.; DIWEDI, P.; VERMA, S.; VERMA, R. Comparison of intrathecal fentanyl and buprenorphine as adjuvants to bupivacaine in gynecological surgery. Anaesthesia, Pain & Intensive Care, v. 26, n. 1, p. 39-43, 7 fev. 2022.