Fig. 1From: Comparison of proteins with anti-influenza virus effects in parotid and submandibular-sublingual saliva in humansPlaque-forming rate of SMSL and parotid saliva samples collected from the orifice of the respective glands in 12 subjects. Plaque forming rate (%) = plaque forming unit (PFU) of saliva sample/PFU of control (PBS) sample × 100. Values are shown in box and whisker plots with median, interquartile, and range. Cross marks represent the mean. Wilcoxon signed-rank test; **p < 0.01Back to article page