Casado, A., J. Pacheco Pereira, P. Reis Pina, F. Silva, and J. M. Pimenta da Graça. “Acute Subdural Haematoma: A Rare But Crucial Diagnosis”. Internal Medicine, vol. 15, no. 3, Sept. 2008, pp. 182-5, https://revista.spmi.pt/index.php/rpmi/article/view/1474.