@article{ishi_bertolo_rossa jr._kirkwood_onofre_2008,  title={Periodontal condition in patients with rheumatoid arthritis},  volume={22},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242008000100013},  DOI={10.1590/S1806-83242008000100013},  number={1},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Ishi, Eduardo de Paula and Bertolo, Manoel Barros and Rossa Jr., Carlos and Kirkwood, Keith Lough and Onofre, Mirian Aparecida},  year={2008},  month={Jan},  pages={72–77} }