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Main effects plots showing the mean value of the percentages of recovery from extracted wipes as a function of the experimental factors evaluated in the study for all three organisms (A), E. coli (B), Bacillus cereus (C), and Burkholderia thailandensis (D). PDM, physical dissociation method; solution, extraction solution. Dashed lines represent grand mean. Numbers above experimental factors are P values from one-way analysis of variance. P < 0.05 was considered statistically significant.
