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. 2010 Jun 2;588(Pt 14):2669–2678. doi: 10.1113/jphysiol.2010.190058

Figure 1. The absolute systemic vascular resistance (SVR) values in Gly16 and Arg16 homozygotes during baseline, during confirmed autonomic blockade with trimethaphan (Trimeth), during restoration of blood pressure with a steady-state phenylephrine infusion (Trimeth + PE), and in response to terbutaline (Terb) infusions (upper).

Figure 1

The lower panel indicates the change in SVR between groups. At the highest dose of Terb the decrease in SVR was greater in Gly16 vs. Arg16 homozygotes (*P = 0.03) suggestive of augmented systemic vasodilatation.