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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: J Pharmacol Toxicol Methods. 2010 Apr 23;63(1):24–29. doi: 10.1016/j.vascn.2010.04.002

Figure 3.

Figure 3

Plot of heart rate (HR) and end-systolic volume (ESV) at 5 points of the study. *Asterisks indicate significant difference compared to pre-challenge baseline (p <0.05, actual p values are shown in Table 1). Error bars represent standard errors of the mean.