@article{lima_silva_aguiar_liporoni_munin_ambrosano_lovadino_2008,  title={In vitro assessment of the effectiveness of whitening dentifrices for the removal of extrinsic tooth stains},  volume={22},  ISSN={1806-8324},  url={https://doi.org/10.1590/S1806-83242008000200003},  DOI={10.1590/S1806-83242008000200003},  number={2},  journal={Brazilian Oral Research},  publisher={Sociedade Brasileira de Pesquisa Odontológica - SBPqO},  author={Lima, Débora Alves Nunes Leite and Silva, André Luís Faria e and Aguiar, Flávio Henrique Baggio and Liporoni, Priscila Christiane Suzy and Munin, Egberto and Ambrosano, Gláucia Maria Bovi and Lovadino, José Roberto},  year={2008},  month={Apr},  pages={106–111} }