@article{abath_ferreira_1990,  title={Comparative studies of Yersinia pestis outer membrane isolation techniques and their potential use in plague epidemiology},  volume={32},  ISSN={0036-4665},  url={https://doi.org/10.1590/S0036-46651990000200002},  DOI={10.1590/S0036-46651990000200002},  number={2},  journal={Revista do Instituto de Medicina Tropical de São Paulo},  publisher={Instituto de Medicina Tropical de São Paulo},  author={Abath, Frederico Guilherme Coutinho and Ferreira, Luís Carlos de Sousa},  year={1990},  month={Mar},  pages={78–83} }