Cusella, G., R. Ansaldi, F. Combi, F. Mazzola, M. Viani, C. Montomoli, P. Borrelli, and L. Spairani. “‘Wake-up Time activation’ in Older Adults: First Randomized Experimental Clinical Trial”. Italian Journal of Anatomy and Embryology, vol. 116, no. 2, Nov. 2011, p. 52, https://oajournals.fupress.net/index.php/ijae/article/view/4626.