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Uptake of 54Mn (grey bars) or 55Fe (stippled bars) by wild-type FW213 and fimA and fap1 mutant S. parasanguis strains. Cell-associated counts were corrected for cell number as determined by CFU analysis. All assays were done in duplicate; means and standard errors (error bars) are shown. This experiment was performed twice; a representative data set is shown.
