Souza, W. P. de O. ., Y. M. L. Fortes, and R. P. . Silva-Néto. ““To sleep”, ‘to cough’ and “to love’: Uncommon Primary Headaches”. Headache Medicine, vol. 12, no. 3, Oct. 2021, pp. 154-9, doi:10.48208/HeadacheMed.2021.29.