Ahmadi, Milad, et al. “The Comparison of "Whole Body Vibration" and ‘Routine Exercise Therapy’ for a Period of 6 Weeks on Navicular Drop in Children With Bilateral Flexible Flat Foot”. Journal of Clinical Physiotherapy Research, vol. 3, no. 1, Jan. 2018, pp. 34-41, doi:10.22037/jcpr.v3i1.20207.