@article{ferreira_2011,  title={Epidemiologic study about restless legs syndrome and migraine},  volume={69},  ISSN={0004-282X},  url={https://doi.org/10.1590/S0004-282X2011000500036},  DOI={10.1590/S0004-282X2011000500036},  number={4},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={Ferreira, Karen dos Santos},  year={2011},  month={Aug},  pages={727–728} }