The difficulties in assessing patients with moderate aortic stenosis.
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D001021:Aortic Valve / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000145:classification / Q000175:diagnosis* / Q000503:physiopathology; D002309:Cardiology / Q000379:methods*; D006439:Hemodynamics; D006801:Humans