title: Direct surgery of aortic insufficiency. Including a new method for subcoronary aortic valve substitution.
mesh_terms: D001021:Aortic Valve; D001022:Aortic Valve Insufficiency; D001024:Aortic Valve Stenosis / Q000601:surgery*; D006801:Humans; D008910:Minnesota
keywords: AORTIC STENOSIS/surgery