@article{article5f3e7942,
title   = {Factors associated with penicilin-nonsusceptible pneumococcal infections in Brazil},
author = {Levin, A. S. and Sessegolo, J. F. and Teixeira, L. M. and Barone, Antônio Alci},
year = {2003},
doi = {10.1590/s0100-879x2003000600017},
journal   = {Brazilian Journal of Medical and Biological Research.}
}