Assertion: aortic valve's leaflet | /r/HasProperty | right-left orientation
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Source sentences:
text: Fusion of the right-coronary and left-coronary leaflets (antero-posteriorly oriented aortic valves ) is associated with moderate to severe aortic stenosis while fusion of the right-coronary and non-coronary leaflets (right-left orientation) were more likely to have moderate aortic regurgitation.