José A. Serra-Rexach, Natalia Bustamante-Ara, Margarita Hierro Villarán, Pedro González Gil, Maria J. Sanz Ibáñez, Nekane Blanco Sanz, Victor Ortega Santamaría, Natalia Gutiérrez Sanz, Ana B. Marín Prada, Cristian Gallardo, Gabriel Rodríguez Romo, Jonatan R. Ruiz, Alejandro Lucia,
Short-term, light- to moderate-intensity exercise training improves leg muscle strength in the oldest old: a randomized controlled trial. Journal of the American Geriatrics Society. ,vol. 59, pp. 594- 602 ,(2011) ,
10.1111/J.1532-5415.2011.03356.X