Abdolrazaghnejad, A., and M. Banaie. “Fentanyl-Midazolam Vs. Midazolam-Ketamine Regarding Patient Sedation Analgesia for Emergency Orthopedic Procedures”. Bangladesh Journal of Pharmacology, vol. 12, no. 2, May 2017, p. Available Online: May 30, 2017, doi:10.3329/bjp.v12i2.30381.