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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: Parkinsonism Relat Disord. 2008 May 29;15(2):122–127. doi: 10.1016/j.parkreldis.2008.04.002

Figure 4.

Figure 4

Plasma levels of dihydroxyphenylglycol (DHPG; panel A) and norepinephrine (NE; panel B) at baseline (BL) and during tyramine (TYR) infusion in patients with cardiac sympathetic denervation (DEN; white bars), in patients with normal cardiac innervation (INN; black bars), and in healthy controls (CON; dashed bars). *p<0.05, ***p<0.001.