Mayo, N. E., M. . Aubertin-Leheudre, K. . Mate, S. Figueiredo, Julio Flavio Fiore Jr., Mohammad Auais, Susan C. Scott, and José A. Morais. “Development of a Frailty Ladder Using Rasch Analysis: If the Shoe Fits”. Canadian Geriatrics Journal, vol. 26, no. 1, Mar. 2023, pp. 133-4, doi:10.5770/cgj.26.601.