L. F. Serpa, V. L. C. de G. Santos, T. C. G. F. Campanili, and M. Queiroz, “ Predictive validity of the Braden scale for pressure ulcer risk in critical care patients ”, Rev. Latino-Am. Enferm., vol. 19, no. 1, pp. 50–57, Feb. 2011, doi: 10.1590/S0104-11692011000100008.