S. de L. L. Rodrigues, R. C. M. Rodrigues, T. M. Sao-Joao, R. B. B. Pavan, K. M. Padilha, and M.-C. Gallani, “Impact of the disease: acceptability, ceiling and floor effects and reliability of an instrument on heart failure”, Rev. Esc. Enferm. USP, vol. 47, no. 5, pp. 1090–1097, Mar. 2013, doi: 10.1590/reeusp.v47i5.78055.