Gonçalves, M., G. Silva, A. Barros, R. Rodrigues, P. Caldeira, L. Freitas, E. Freitas, C. Fraga, and A. Caldeira Ferreira. “Dermatomyositis – Two Clinical Cases”. Internal Medicine, vol. 14, no. 4, Dec. 2007, pp. 206-13, https://revista.spmi.pt/index.php/rpmi/article/view/1573.