A. Shahroudi, M. . Alipour, S. J. . Purafzali Firouzabadi, M. . Najaf Najafi, and E. . Molaei, “Compared Dexmedetomidine and Fentanyl on Sensory-Motor Block in Unilateral Intrathecal Anesthesia of Lower-limbs Orthopedic Surgeries: A Randomized Duble-blind Trials: ”, Galen Med J, vol. 11, p. e2499, Dec. 2022.