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. 2022 Apr 7;17(4):e0265249. doi: 10.1371/journal.pone.0265249

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© 2022 Irwin et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 1 — Raw data (RLU) of all saliva samples (F1-F8 and M1-M2) treated with Na₂SO₃ or NaHSO₃ compared to controls was used to determine the average % decrease of viable cells (based on ATP activity) in each at time 0 (T0) and time 30 (T30). The standard error of each test group was calculated, and evidence of observed difference was confirmed by both the paired t-test and the two-way ANOVA (Table 1).