@article{souza_marín-león_2013,  title={Food insecurity among the elderly: cross-sectional study with soup kitchen users},  volume={26},  ISSN={1415-5273},  url={https://doi.org/10.1590/S1415-52732013000600007},  DOI={10.1590/S1415-52732013000600007},  number={6},  journal={Revista de Nutrição},  publisher={Pontifícia Universidade Católica de Campinas},  author={Souza, Bruna Fernanda do Nascimento Jacinto de and Marín-León, Letícia},  year={2013},  month={Nov},  pages={679–691} }