@article{alves_lopes_2010,  title={Locus of control and contraceptive knowledge, attitude and practice among university students},  volume={44},  ISSN={0034-8910},  url={https://doi.org/10.1590/S0034-89102010000100004},  DOI={10.1590/S0034-89102010000100004},  number={1},  journal={Revista de Saúde Pública},  publisher={Faculdade de Saúde Pública da Universidade de São Paulo},  author={Alves, Aline Salheb and Lopes, Maria Helena Baena de Moraes},  year={2010},  month={Feb},  pages={39–44} }