Musumeci, G., P. Castrogiovanni, S. Giunta, R. Avola, K. Pichler, A. M. Weinberg, M. L. Carnazza, and C. Loreto. “The Effects of Physical Activity (treadmill and Vibration Stimulation Training) on RANKL and OPG Expression in Bone Cells, in Rats With Glucorticoid-Induced Osteoporosis”. Italian Journal of Anatomy and Embryology, vol. 118, no. 2, Jan. 2014, p. 146, https://oajournals.fupress.net/index.php/ijae/article/view/3813.