Assertion: acebutolol's effect | /r/HasProperty | mediated by the dopamine system
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Source sentences:
text: A study evaluating the mechanism by which menthone promotes ambulation in mice suggests the effect is mediated by the dopamine system; an additive effect on ambulation was observed when menthone was administered with bupropion, a dopamine uptake inhibitor; also, dopamine antagonists attenuated the effects of menthone.