@book{39905,
	author = {Ceballos Gurrola, Oswaldo and Martínez Moreno, Martín,},
	title = {Actividad física en el adulto mayor .},
	publisher = {El Manual Modero, S.A,},
	year = {2012.},
	address = {México DF :},
	edition = {1.},
	note = {Incluye Indice.}
}