@article{ramos_2007,  title={Impact of socioeconomic status on Brazilian elderly health},  volume={41},  ISSN={0034-8910},  url={https://doi.org/10.1590/S0034-89102006005000042},  DOI={10.1590/S0034-89102006005000042},  number={4},  journal={Revista de Saúde Pública},  publisher={Faculdade de Saúde Pública da Universidade de São Paulo},  author={Ramos, Marília},  year={2007},  month={Aug},  pages={616–624} }