@article{salem_carvalho_ogusku_maia_ruffino-netto_2007,  title={PKO: alternative method for isolating mycobacteria from sputum},  volume={37},  ISSN={0044-5967},  url={https://doi.org/10.1590/S0044-59672007000300013},  DOI={10.1590/S0044-59672007000300013},  number={3},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  author={Salem, Julia Ignez and Carvalho, Clarice Maia and Ogusku, Mauricio Morishi and Maia, Rosália and Ruffino-Netto, Antonio},  year={2007},  pages={419–424} }