Blanca Cuenca, M., M. B. García-Martín, and M. J. Calero García. “Anxiety, Depression, Work-Related Stress and Psychological Flexibility in Nurses: A Correlational-Comparative Study”. European Journal of Health Research, vol. 7, no. 3, Dec. 2021, pp. 1-21, doi:10.32457/ejhr.v7i3.1713.