@article{oliveira_belczak_oliveira_2014,  title={Innovations in vascular and endovascular surgery in Brazil: a data analysis study},  volume={13},  ISSN={1677-5449},  url={https://doi.org/10.1590/1677-5449.0023},  DOI={10.1590/1677-5449.0023},  number={4},  journal={Jornal Vascular Brasileiro},  publisher={Sociedade Brasileira de Angiologia e de Cirurgia Vascular (SBACV)},  author={Oliveira, Heriberto Brito de and Belczak, Sergio Quilici and Oliveira, Eymard Francisco Brito de},  year={2014},  month={Oct},  pages={272–275} }