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Protein expression levels of PDE5 in uterine arteries from control (Wistar) and diabetic (GK) nonpregnant and pregnant rats. There were no differences in PDE5 levels between groups. Values are means ± SE; n = 6 for GK-NP and GK-Preg, n = 5 for W-Preg, and n = 4 for W-NP. P > 0.05.
