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. Author manuscript; available in PMC: 2009 Feb 9.
Published in final edited form as: J Sex Med. 2008 Jan 10;5(3):552–561. doi: 10.1111/j.1743-6109.2007.00731.x

Figure 1.

Figure 1

Effect of diet and exercise on guanosine 3′,5′-monophosphate (cGMP) levels in the penis. HFSe pig penes exhibited reduced cGMP levels compared to NFSe pig penes, which was prevented by exercise. Each bar represents the standard error of the mean (SEM). a = P < 0.05 vs. NFSe; b = P < 0.05 vs. HFSe; N = 7; NF = normal-fat diet; HF = high-fat diet; Se = sedentary; Ex = exercised.