Santos, I. V., Escária, S., Piteira, M., Calçada, S., Canudo, D., Oliveira, A., Guz, C., & Lino, I. (2021). Casuistry of an Emergency Service: Reasons for Referencing Primary Health Care. Internal Medicine, 28(1), 22–27. https://doi.org/10.24950/O/224/20/1/2021