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. 2014 Oct 17;13:408. doi: 10.1186/1475-2875-13-408

Figure 2.

Figure 2

Knock-down effect of different insecticides on An.gambiae s.l. mosquitoes from 13 sentinel sites in Zimbabwe. (A) KD50, (B) KD90, (C) KD50 ratio, (D) KD90 ratio. KD ratios are calculated as the ratio of KD of each insecticide at each village and the KD of the reference colony.