@article{paraná_vitvitski_pereira_2008,  title={Hepatotropic viruses in the Brazilian Amazon: a health threat},  volume={12},  ISSN={1413-8670},  url={https://doi.org/10.1590/S1413-86702008000300017},  DOI={10.1590/S1413-86702008000300017},  number={3},  journal={Brazilian Journal of Infectious Diseases},  publisher={Brazilian Society of Infectious Diseases},  author={Paraná, Raymundo and Vitvitski, Ludmila and Pereira, Joao Eduardo},  year={2008},  month={Jun},  pages={253–256} }