López Sánchez, G. F., Ibáñez Ortega, E. J., & Díaz Suárez, A. (2019). Effects of a program through vigorous-intensity physical activity on blood pressure and heart rate of 8-9 year-old school children. SPORT TK-EuroAmerican Journal of Sport Sciences, 8(1), 73–80. https://doi.org/10.6018/sportk.362091