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Article

Two major Spanish clones of penicillin-resistant Streptococcus pneumoniae in Portuguese isolates of clinical origin.

The Journal of antimicrobial chemotherapy - 1 Feb 2003

Caniça Manuela, Dias Ricardo, Vaz-Pato M Vitória, Carvalho Catarina

Abstract excerpt

We studied the genetic relatedness of 47 Portuguese penicillin-resistant 9V and 23F Streptococcus pneumoniae of clinical origin, using pulsed-field gel electrophoresis (PFGE) and restriction fragment length polymorphism analysis. PFGE fingerprinting showed that 24 isolates of serotype 9V and 23 isolates of serotype 23F were variants of the Spain(9V)-3 and Spain(23F)-1 clones, respectively. Fingerprinting of...

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PMID: 12562712
DOI: 10.1093/jac/dkg078

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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