@article{huang_1999,  title={Neuronal and endothelial nitric oxide synthase gene knockout mice},  volume={32},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X1999001100005},  DOI={10.1590/S0100-879X1999001100005},  number={11},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Huang, P.L.},  year={1999},  month={Nov},  pages={1353–1359} }