@article{ferreira_castro_rocha_riboldi_d'azevedo_2007, title={beta-lactamase production Haemophilus spp. and resistance to ampicillin in a general hospital in Porto Alegre city, RS, Brazil (2001-2005)}, volume={11}, ISSN={1413-8670}, url={https://doi.org/10.1590/S1413-86702007000100013}, DOI={10.1590/S1413-86702007000100013}, number={1}, journal={Brazilian Journal of Infectious Diseases}, publisher={Brazilian Society of Infectious Diseases}, author={Ferreira, Jorge A. S. and Castro, Andréa Cauduro de and Rocha, Marion P. and Riboldi, Gustavo and d'Azevedo, Pedro Alves}, year={2007}, month={Feb}, pages={50–52} }