@article{moreira_2007,  title={Guia prático de ultra-sonografia vascular},  volume={6},  ISSN={1677-5449},  url={https://doi.org/10.1590/S1677-54492007000100017},  DOI={10.1590/S1677-54492007000100017},  number={1},  journal={Jornal Vascular Brasileiro},  publisher={Sociedade Brasileira de Angiologia e de Cirurgia Vascular (SBACV)},  author={Moreira, Ricardo C. R.},  year={2007},  month={Mar},  pages={102–103} }