Assertion: spinal stenosis | /r/HasProperty | as
Facets:
Source sentences:
text: Aortic stenosis (AS) is a condition affecting the heart characterized by the narrowing of the aortic valve of the left ventricle.
text: Aortic stenosis (AS) occurs when the orifice of the aortic valve is significantly reduced due to the failure of the aortic valve leaflets to open fully during systole.