R. Domingues, S. R. Ribeiro, A. L. de C. Mello, C. F. V. Miranda, . E. de P. Pacheco, and J. J. F. de Carvalho, “Spontaneous bleeding of an arachnoid cyst: a rare cause of thunderclap headache”, Headache Med, vol. 13, no. Supplement, p. 36, Oct. 2022.