López Sánchez, G.F. et al. 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 (Feb. 2019), 73–80. DOI:https://doi.org/10.6018/sportk.362091.