Cortes, M. B., Fernandes, S. R., Aranha, P., Avô, L. B., & Falcão, L. M. (2017). Association Between Weekend and Holiday Admission with Pneumonia and Mortality in a Tertiary Center in Portugal: A Cross-Sectional Study. Acta Médica Portuguesa, 30(5), 361–367. https://doi.org/10.20344/amp.8029