@article{guitti_2000,  title={Epidemiological characteristics of congenital heart diseases in Londrina, Paraná South Brazil},  volume={74},  ISSN={0066-782X},  url={https://doi.org/10.1590/S0066-782X2000000500001},  DOI={10.1590/S0066-782X2000000500001},  number={5},  journal={Arquivos Brasileiros de Cardiologia},  publisher={Sociedade Brasileira de Cardiologia - SBC},  author={Guitti, José Carlos dos Santos},  year={2000},  month={May},  pages={400–404} }