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. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Neurogastroenterol Motil. 2011 Feb;23(2):161–e40. doi: 10.1111/j.1365-2982.2010.01645.x

Figure 2. Serotonin and 5-HIAA levels in the ileal mucosa as measured using HPLC.

Figure 2

[A]: Summary for amount of serotonin and 5-HIAA in different age groups (n = 4 to 7). [B]: The 5-HIAA/serotonin ratio (serotonin turnover) was very low in neonates. Asterisks indicate statistic significance (One-way ANOVA with Bonferroni correction, n = 4 to 7).