@article{rodriguez_brandão_ferreira_gregori_buzinaro_jerez_2004,  title={IMPROVED ANIMAL ROTAVIRUS ISOLATION IN MA<sub>104</sub> CELLS USING DIFFERENT TRYPSIN CONCENTRATIONS},  volume={71},  ISSN={1808-1657},  url={https://doi.org/10.1590/1808-1657v71p4372004},  DOI={10.1590/1808-1657v71p4372004},  number={4},  journal={Arquivos do Instituto Biológico},  publisher={Instituto Biológico},  author={Rodriguez, C.A.R. and Brandão, P.E. and Ferreira, F. and Gregori, F. and Buzinaro, M. da G. and Jerez, J.A.},  year={2004},  month={Oct},  pages={437–441} }