@article{sartor_mamprim_2009,  title={Avaliação com Doppler colorido e espectral da veia porta de cães},  volume={39},  ISSN={0103-8478},  url={https://doi.org/10.1590/S0103-84782008005000077},  DOI={10.1590/S0103-84782008005000077},  number={2},  journal={Ciência Rural},  publisher={Universidade Federal de Santa Maria},  author={Sartor, Raquel and Mamprim, Maria Jaqueline},  year={2009},  month={Mar},  pages={595–603} }