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The effects of estrogen on hydraulic powers and energy transmission in PAH. (A) Total Hydraulic power (Wt), (B), Oscillatory hydraulic power (Wo), (C) Oscillatory power fraction (Wo/Wt), and (D) Transpulmonary vascular efficiency (CO/Wt). *, P<0.05 vs. Control; #, P<0.05 vs. Placebo.
