@article{felício_bichuetti_santos_godeiro junior_marin_carvalho_2006,  title={Epidemiology of primary and secondary headaches in a Brazilian tertiary-care center},  volume={64},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2006000100009},  DOI={10.1590/S0004-282X2006000100009},  number={1},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Felício, André Carvalho and Bichuetti, Denis Bernardi and Santos, William Adolfo Celso dos and Godeiro Junior, Clecio de Oliveira and Marin, Luis Fabiano and Carvalho, Deusvenir de Souza},  year={2006},  month={Mar},  pages={41–44} }