Abstract
Summary
When a salt-glucose medium is used, the size of the inoculum of E. coli has been shown to play the dominant part in studies concerning the effect on growth rates of urea, sulfathiazole, and their combinations. The action of these two alone has been shown to vary from stimulatory, with the very large inocula, to markedly bacteriostatic with the smaller. When used together, sulfathiazole and urea (in several concentrations) act synergisticly with all inocula sizes, the combined effect being much greater with the smaller inocula.
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