B. E. . Faleiros, S. R. de . Sousa-Pereira, B. C. P. . Coelho, M. T. . Lara, E. J. . Portela, and A. L. . Teixeira, “Frequency of migraine among patients followed at the Epilepsy Clinic of the Hospital das Clinicas, Universidade Federal de Minas Gerais”, Headache Med, vol. 1, no. 1, pp. 21–24, Mar. 2010.