Tavanai, E., S. Farahani, M. Adel-Ghahraman, S. Jalaie, L. Kouti, and F. Shidfar. “Effects of Caffeine on Cervical Vestibular Evoked Myogenic Potential: A Pilot Study”. Auditory and Vestibular Research, Vol. 24, no. 1, Oct. 2015, pp. 3-10, https://avr.tums.ac.ir/index.php/avr/article/view/3.