1.
Comparison Among Intrathecal Fentanyl And Butorphanol As An Adjuvant To Hyperbaric Bupivacaine For Lower Limb Orthopaedic Procedures . ijabms [Internet]. 2021 Jan. 20 [cited 2024 Jul. 23];23(36). Available from: https://acspublisher.com/journals/index.php/ijabms/article/view/1446