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. Author manuscript; available in PMC: 2009 Sep 17.
Published in final edited form as: Neurogastroenterol Motil. 2008 Aug 5;21(2):149–159. doi: 10.1111/j.1365-2982.2008.01171.x

Figure 1.

Figure 1

Mean plasma ACTH (A) and cortisol (B) levels in controls and patient groups over a 24-h period. The mean ± SEM hourly concentrations obtained after averaging over six neighbouring measurements (each measurement taken at 10-min intervals). Minimum ACTH levels in IBS patients were significantly lower than controls (P < 0.05).