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The relative abundance of vaginal bacterial V3 tags obtained by pyrosequencing from BV-positive and BV-negative individuals, by phylum. Phylogenetic classification for the pyrosequencing analysis obtained from Ribosomal Database Project Classifier analyses. The phyla of Firmicutes, Bacteroidetes, Actinobacteria, Fusobacteria were significant differences between BV-positive and BV-negative groups by parametric ANOVA (p <0.000).
