P. . Gularte Padoin, M. . Pereira Gonçalves, T. . Comaru, and A. M. Vargas da Silva, “Comparative analysis of old people practicing physical exercises and sedentary ones regarding the risk of falling: DOI: 10.15343/0104-7809.20102158164”, Mundo Saude, vol. 34, no. 2, p. 158164, Apr. 2010.