Ruiz, E. B., Pérez-Pérez, L., Cárdaba-García, R. M., Durantez-Fernández, C., Jiménez-Navascués, L., Velasco-Gonzalez, V., Caz, A. M., Madrigal, M., Olea, E. (2025). Relationships between fatigue severity scale (FSS)/ scale for mood assessment (EVEA) and clinical manifestations in spanish long-COVID patients. PLoS ONE. https://doi.org/10.1371/journal.pone.0324075