C. P. de B. Vieira, M. S. Sá, M. Z. de A. Madeira, e M. H. B. A. Luz, “Characterization and risk factors for pressure ulcers in the hospitalized elderly”, Rev Rene, vol. 15, nº 4, ago. 2014, doi: 10.15253/2175-6783.2014000400012.