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. Author manuscript; available in PMC: 2010 Feb 28.
Published in final edited form as: Respir Physiol Neurobiol. 2008 Nov 5;165(2-3):137–142. doi: 10.1016/j.resp.2008.10.019

Figure 2.

Figure 2

Group data for reflex apnea duration (mean ± S.E.M) after 5-HT i.v. infusion before (control, postGlu and saline) and after injection of different concentrations of AIDA (5, 25 and 50 mM). Injection of 5 mM AIDA (N = 6) significantly prolonged reflex apnea duration only in the first 30 s (5 mM AIDA vs. control, **p = 0.0097). 25 mM AIDA (N = 6) and 50 mM AIDA (N = 8) significantly (*p < 0.03 for each dose at all time intervals) and equivalently (p > 0.1 for difference between doses at all time intervals) prolonged reflex apnea following 5-HT infusion.