@article{schmidt_schmidt_schmidt_2009,  title={19 - Anestesia e analgesia de parto},  volume={93},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X2009001300019},  DOI={10.1590/S0066-782X2009001300019},  number={6},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Schmidt, Sérgio Renato Guimarães and Schmidt, André Prato and Schmidt, Adriana Prato},  year={2009},  month={Dec},  pages={169–171} }