Iturriaga, T.; Salazar-Pérez, F.; Casallo-Cerezo, M.; García-Pérez-de-Sevilla, G.; Sosa-Pedreschi, A.; Diez-Vega, I.; Supervia, M.; Arroyo, O.; Pérez-Ruiz, M. Physical Condition and Perceived Fatigue in Post-Covid Patients: An Observational Descriptive Study. Sao Paulo Med J 2025, 142, 1-8.