@article{américo_nogueira_vieira_bezerra_moura_lopes_2013,  title={Knowledge of users of low-dose oral combined contraceptives about the method},  volume={21},  ISSN={0104-1169},  url={https://doi.org/10.1590/S0104-11692013000400014},  DOI={10.1590/S0104-11692013000400014},  number={4},  journal={Revista Latino-Americana de Enfermagem},  publisher={Escola de Enfermagem de Ribeirão Preto / Universidade de São Paulo},  author={Américo, Camila Félix and Nogueira, Paula Sacha Frota and Vieira, Rebeca Pinho Romero and Bezerra, Cleide Gomes and Moura, Escolástica Rejane Ferreira and Lopes, Marcos Venícios de Oliveira},  year={2013},  month={Jul},  pages={928–934} }