S. C. T. Donato, J. Y. Matuoka, C. C. Yamashita, and M. de G. Salvetti, “Effects of dignity therapy on terminally ill patients: a systematic review”, Rev. Esc. Enferm. USP, vol. 50, no. 6, pp. 1014–1024, Dec. 2016, doi: 10.1590/s0080-623420160000700019.