@article{domingues_ferraz_greghi_rezende_passanezi_sant’ana_2012,  title={Influence of combined oral contraceptives on the periodontal condition},  volume={20},  ISSN={1678-7757},  url={https://doi.org/10.1590/S1678-77572012000200022},  DOI={10.1590/S1678-77572012000200022},  number={2},  journal={Journal of Applied Oral Science},  publisher={Faculdade De Odontologia De Bauru - USP},  author={Domingues, Roberta Santos and Ferraz, Bruna Fidêncio Rahal and Greghi, Sebastião Luiz Aguiar and Rezende, Maria Lúcia Rubo de and Passanezi, Euloir and Sant’Ana, Adriana Campos Passanezi},  year={2012},  month={Mar},  pages={253–259} }