 @article{silva_andersen_de mello_bittencourt_peruzzo_tufik_2008,  title={Gender and age differences in polysomnography findings and sleep complaints of patients referred to a sleep laboratory},  volume={41},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2008001200005},  DOI={10.1590/S0100-879X2008001200005},  number={12},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Silva, A. and Andersen, M.L. and De Mello, M.T. and Bittencourt, L.R.A. and Peruzzo, D. and Tufik, S.},  year={2008},  month={Dec},  pages={1067–1075} }