@article{Tufik2010, author = {Tufik, S. and Santos-Silva, R. and Taddei, J.A. and Bittencourt, L.R.A.}, title= {Obstructive sleep apnea syndrome in the Sao Paulo epidemiologic sleep study}, year = {2010}, doi = {10.1016/j.sleep.2009.10.005}, volume = {11}, number = {5}, pages = {441--446}, }