@article{galindo_ramírez ochoa_1991,  title={Fast preparation of chromosomal DNA for PFG electrophoresis},  volume={86},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761991000100023},  DOI={10.1590/S0074-02761991000100023},  number={1},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Galindo, Iván and Ramírez Ochoa, José L.},  year={1991},  month={Jan},  pages={133–134} }