Safavi, M., Honarmand, A., Rahmanikhah, E., Badiei, S., & Attari, M. (2014). Intrathecal Meperidine versus intrathecal Fentanyl for prevention of shivering in lower limb orthopedic surgeries under spinal anesthesia: A randomized double-blind placebo-controlled trial. J Res Pharm Pract.

Safavi, Mohammadreza, Azim Honarmand, Elahe Rahmanikhah, Sajad Badiei, and Mohammadali Attari. "Intrathecal Meperidine Versus Intrathecal Fentanyl for Prevention of Shivering in Lower Limb Orthopedic Surgeries Under Spinal Anesthesia: A Randomized Double-blind Placebo-controlled Trial." J Res Pharm Pract 2014.

Safavi, Mohammadreza, et al. "Intrathecal Meperidine Versus Intrathecal Fentanyl for Prevention of Shivering in Lower Limb Orthopedic Surgeries Under Spinal Anesthesia: A Randomized Double-blind Placebo-controlled Trial." J Res Pharm Pract 2014.