R. Nickel, A. P. Lima, E. J. Navarro, L. M. Pinto, H. A. G. Teive, and N. Becker, “CORRELATION BETWEEN THE CAREGIVERS’ QUALITY OF LIFE AND FAMILY LEVELS OF FUNCTIONAL INDEPENDENCE OF CARE”, Cogitare Enferm., vol. 15, no. 2, Jun. 2010.