@article{ferri-de-barros_alencar_berchielli_castelhano junior_2011, title={Headache among medical and psychology students}, volume={69}, ISSN={0004-282X}, url={https://doi.org/10.1590/S0004-282X2011000400018}, DOI={10.1590/S0004-282X2011000400018}, number={3}, journal={Arquivos de Neuro-Psiquiatria}, publisher={Academia Brasileira de Neurologia - ABNEURO}, author={Ferri-de-Barros, João Eliezer and Alencar, Mauricio José de and Berchielli, Luis Felipe and Castelhano Junior, Luis Carlos}, year={2011}, month={June}, pages={502–508} }