@article{campos_fischer_gustafsson_figueredo_2012,  title={Effectiveness of non-surgical treatment to reduce il-18 levels in the gingival crevicular fluid of patients with periodontal disease},  volume={23},  ISSN={0103-6440},  url={https://doi.org/10.1590/S0103-64402012000400020},  DOI={10.1590/S0103-64402012000400020},  number={4},  journal={Brazilian Dental Journal},  publisher={Fundação Odontológica de Ribeirão Preto},  author={Campos, Bernardo Oliveira de and Fischer, Ricardo Guimarães and Gustafsson, Anders and Figueredo, Carlos Marcelo da Silva},  year={2012},  pages={428–432} }