1.
Ortigosa-Márquez JM, Reigal RE, Portell M, Morales-Sánchez V, Hernández-Mendo A. Automated observation: heart rate variability and its relationship with performance-related psychological variables in young swimmers. AN PSICOL-SPAIN [Internet]. 2017Jul.21 [cited 2020Mar.29];33(3):436-41. Available from: https://revistas.um.es/analesps/article/view/analesps.33.3.270991