@article{andrade_mello_sousa_makuch_bertoni_faúndes_2009,  title={Changes in sexual behavior following a sex education program in Brazilian public schools},  volume={25},  ISSN={0102-311X},  url={https://doi.org/10.1590/S0102-311X2009000500023},  DOI={10.1590/S0102-311X2009000500023},  number={5},  journal={Cadernos de Saúde Pública},  publisher={Escola Nacional de Saúde Pública Sergio Arouca, Fundação Oswaldo Cruz},  author={Andrade, Heloísa Helena Siqueira Monteiro and Mello, Maeve Brito de and Sousa, Maria Helena and Makuch, Maria Yolanda and Bertoni, Neilane and Faúndes, Anibal},  year={2009},  month={May},  pages={1168–1176} }