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Fig. 2 | Environmental Health and Preventive Medicine

Fig. 2

From: Effect of laughter on salivary flow rates and levels of chromogranin A in young adults and elderly people

Fig. 2

Mean values [± standard deviation (SD)] normalized as percentage of the baseline (0 min) value for salivary flow rates during the comic film protocol (filled circles, solid line, n = 15) and the control protocol (open circles, dashed line, n = 15). Statistically significant difference compared with †0 min and ‡15 min; p < 0.05 [repeated measures analysis of variance (ANOVA) and Bonferroni’s test]

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Environmental Health and Preventive Medicine

ISSN: 1347-4715

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