@article{gonçalves_nehme_morel_1990,  title={An improved silver staining procedure for schizodeme analysis in polyacrylamide gradient gels},  volume={85},  ISSN={0074-0276},  url={https://doi.org/10.1590/S0074-02761990000100017},  DOI={10.1590/S0074-02761990000100017},  number={1},  journal={Memórias do Instituto Oswaldo Cruz},  publisher={Instituto Oswaldo Cruz, Ministério da Saúde},  author={Gonçalves, Antonio M. and Nehme, Nedia S. and Morel, Carlos M.},  year={1990},  month={Jan},  pages={101–106} }