Abreu, A. M. de, B. G. R. B. de Oliveira, and J. J. Manarte. “Treatment of Venous Ulcers With an Unna Boot: A Case Study”. Online Brazilian Journal of Nursing, vol. 12, no. 1, Mar. 2013, pp. 198-0, doi:10.5935/1676-4285.20133845.