Levin ASS, Teixeira LM, Sessegolo JF, Barone AA. Resistance of Streptococcus pneumoniae to antimicrobials in São Paulo, Brazil: clinical features and serotypes . Rev. Inst. Med. Trop. São Paulo. 1996;38(3):187-192. Accessed March 11, 2025. https://revistas.usp.br/rimtsp/article/view/29359