G. G. Valera, N. L. Carezzato, F. A. C. Vale, and P. Hortense, “ Cultural adaptation of the scale Pain Assessment in Advanced Dementia – PAINAD to Brazil ”, Rev. Esc. Enferm. USP, vol. 48, no. 3, pp. 462–468, Jun. 2014, doi: 10.1590/S0080-623420140000300011.