Valente Silva, B.; Plácido, R.; Jorge, C.; Mendonça, C.; Urbano, M. L.; Rodrigues, T.; Brito, J.; Alves da Silva, P.; Rigueira, J.; Pinto, F. J. Prognostic Accuracy of the Modified CHA2DS2-VASc Score in COVID-19 Patients Admitted to the Emergency Department Due to Clinical Worsening. Acta Med Port 2022, 35, 433-442.