Merino-Muñoz, Pablo, et al. “Effects on the Wellness State in the Period of Confinement Due to COVID-19 in Professional Soccer Players”. MHSalud: Revista En Ciencias Del Movimiento Humano Y Salud, vol. 19, no. 1, Dec. 2021, pp. 1-12, https://doi.org/10.15359/mhs.19-1.2.