[1]
A. Martínez Vidal, A. Prada Martinez, M. D. P. Diaz Pereira, and M. J. Martínez-Patiño, “Effect of a combined program of physical activity and intellectual activity in the cognitive functioning of the elderly”, J. Hum. Sport Exerc., vol. 6, no. 2, pp. 462–473, Jun. 2011.