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. 2020 May 8;13:239. doi: 10.1186/s13071-020-04100-7

Fig. 7.

Fig. 7

Percent mortality (24 h) of An. gambiae (s.l.) tested with permethrin (0.75%) alone and after pre-exposure to PBO (4%) synergist using WHO tube tests (bars for the same site sharing the same superscript letter (a or b) do not differ significantly, P > 0.05)