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Filter quality of electret masks in filtering 14.6–594 nm aerosol particles: Effects of five decontamination methods
Fig 9
Pressure drop through mask before and after decontamination.
* indicates p<0.05; # indicates the Gauze masks were destroyed and therefore their Δp could not be obtained.
doi: https://doi.org/10.1371/journal.pone.0186217.g009