Pereira, D. A. G., I. R. C. Soares, J. V. de Morais, P. F. Cordeiro, and D. Úrsula F. Souza. “Heel Rise Test As Functional Capacity Predictor in Elderly With Chronic Venous Insufficiency”. Journal of Respiratory and CardioVascular Physical Therapy, vol. 3, no. 2, June 2016, pp. 47-53, https://periodicos.ufrn.br/revistadefisioterapia/article/view/8015.