@article{fonseca_raskin_zugaib_2013,  title={Folic acid for the prevention of neural tube defects},  volume={35},  ISSN={0100-7203},  url={https://doi.org/10.1590/S0100-72032013000700001},  DOI={10.1590/S0100-72032013000700001},  number={7},  journal={Revista Brasileira de Ginecologia e Obstetrícia},  publisher={Federação Brasileira das Sociedades de Ginecologia e Obstetrícia},  author={Fonseca, Eduardo Borges da and Raskin, Salmo and Zugaib, Marcelo},  year={2013},  month={Jul},  pages={287–289} }