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. 2015 Sep 25;123:158–162. doi: 10.1016/j.antiviral.2015.09.012

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Copyright © 2015 Elsevier B.V. All rights reserved.

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Fig. 2 — Effects of hexylresorcinol on PIV3. PIV3, parainfluenza virus type 3; TCID₅₀, tissue culture infectious dose 50%. ^**p < 0.001 compared with placebo lozenge for the same contact time. Positive control was tested at 1 min contact time only (not 10 min). Results for 5 min contact time with hexylresorcinol lozenge not shown. The error bars indicate the standard error of the mean.