Beijer K., Lampa E., Sundström J., Nilsson P. M., Elmståhl S., Pedersen N. L. and Lind L. (2018) “Physical activity may compensate for prolonged TV time regarding pulse rate—a cross-sectional study”, Upsala Journal of Medical Sciences, 123(4), pp. 247–254. doi: 10.1080/03009734.2018.1540505.