@article{rösing_gomes_carvajal_gómez_costa_toledo_solanes_romanelli_gamonal_oppermann_2019,  title={Impact of smoking on gingival inflammation in representative samples of three South American cities},  volume={33},  ISSN={1806-8324},  url={https://doi.org/10.1590/1807-3107bor-2019.vol33.0090},  DOI={10.1590/1807-3107bor-2019.vol33.0090},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={RÖSING, Cassiano Kuchenbecker and GOMES, Sabrina Carvalho and CARVAJAL, Paola and GÓMEZ, Mariel and COSTA, Ricardo and TOLEDO, Andres and SOLANES, Fernando and ROMANELLI, Hugo and GAMONAL, Jorge and OPPERMANN, Rui Vicente},  year={2019},  pages={e090} }