Khoshfetrat, Masoum, Sima Davarpanah, and Aliakbar Keykha. “Efficacy of Intrathecal Midazolam on Enhancing Analgesic Effect of Fentanyl in Patients Undergoing Lower Limb Surgery”. Biomedical Research and Therapy 5, no. 10 (October 17, 2018): 2726-2732. Accessed December 23, 2024. http://bmrat.biomedpress.org/index.php/BMRAT/article/view/487.