@article{andreazzi_andreazzi_sancho_freitas_2014,  title={Supply and usage of hemodynamic services in the state of Rio de Janeiro, Brazil  },  volume={41},  ISSN={0100-6991},  url={https://doi.org/10.1590/0100-69912014005011},  DOI={10.1590/0100-69912014005011},  number={5},  journal={Revista do Colégio Brasileiro de Cirurgiões},  publisher={Colégio Brasileiro de Cirurgiões},  author={Andreazzi, Maria de Fatima Siliansky de and Andreazzi, Marco Antonio Ratzsch de and Sancho, Leyla and Freitas, Heitor Alarico Gonçalves de},  year={2014},  month={Sep},  pages={357–365} }