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Serial echocardiographic measures of left ventricular function. The (A) ejection fraction (%EF) and (B) percent fractional shortening (%EF) in mice treated with vehicle, PACAP, MXT or PACAP+MXT. n = 7 mice per group, except for the MXT group (n = 5–7). * p < 0.05 versus the saline group. # p < 0.05 MXT group versus the PACAP+MXT group.
