@article{viana_teixeira_beraldi_bassani_andrade_2009,  title={São Paulo Megacity Mental Health Survey - a population-based epidemiological study of psychiatric morbidity in the São Paulo metropolitan area: aims, design and field implementation},  volume={31},  ISSN={1516-4446},  url={https://doi.org/10.1590/S1516-44462009000400016},  DOI={10.1590/S1516-44462009000400016},  number={4},  journal={Brazilian Journal of Psychiatry},  publisher={Associação Brasileira de Psiquiatria},  author={Viana, Maria Carmen and Teixeira, Marlene Galativicis and Beraldi, Fidel and Bassani, Indaiá de Santana and Andrade, Laura Helena},  year={2009},  month={Dec},  pages={375–386} }