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The antibacterial activity of partial purification fractions against the growth of aShigella sp. 1–2: CFS, 3: 50% (NH4)2SO4 saturation, 4: negative control (culture media), 5: 20% (NH4)2SO4 saturation, and 6: 30% (NH4)2SO4 saturation. bE. tarda 3, 1: 20% (NH4)2SO4 saturation, 2: negative control (culture media), 3: CFS, 4: 30% (NH4)2SO4 saturation, 5: 50% (NH4)2SO4 saturation
