Couto, M., C. Ambrósio, C. Bettencourt, J. Leitão, J. Presa, A. Carvalho, and A. Porto. “Spontaneous Haemothorax As the Clinical Onset of Ehlers-Danlos Syndrome”. Internal Medicine, vol. 15, no. 2, June 2008, pp. 118-23, https://revista.spmi.pt/index.php/rpmi/article/view/1460.