@article{frota_ferreira_barcelos_watanabe_carvalho_rigotti_2014,  title={Collection of tracheal aspirate: safety and microbiological
					concordance between two techniques},  volume={48},  ISSN={0080-6234},  url={https://doi.org/10.1590/S0080-623420140000400007},  DOI={10.1590/S0080-623420140000400007},  number={4},  journal={Revista da Escola de Enfermagem da USP},  publisher={Universidade de São Paulo, Escola de Enfermagem},  author={Frota, Oleci Pereira and Ferreira, Adriano Menis and Barcelos, Larissa da Silva and Watanabe, Evandro and Carvalho, Nádia Cristina Pereira and Rigotti, Marcelo Alessandro},  year={2014},  month={Aug},  pages={618–624} }