@article{almeida_nunes_duro_facchini_2017,  title={Socioeconomic determinants of access to health services among older adults: a systematic review},  volume={51},  ISSN={0034-8910},  url={https://doi.org/10.1590/S1518-8787.2017051006661},  DOI={10.1590/S1518-8787.2017051006661},  journal={Revista de Saúde Pública},  publisher={Faculdade de Saúde Pública da Universidade de São Paulo},  author={Almeida, Ana Paula Santana Coelho and Nunes, Bruno Pereira and Duro, Suele Manjourany Silva and Facchini, Luiz Augusto},  year={2017},  pages={50} }