Cardoso, A. T., and B. R. Alvarez. “Blood Pressure Variation During Sub-Maximal Work Performed by Sedentary Males from 32 to 55 Years Old”. Journal of Physical Education (Maringá), Vol. 6, no. 1, July 2008, pp. 49-53, https://periodicos.uem.br/ojs/index.php/RevEducFis/article/view/3967.