title: The Hufnagel valve: a forgotten entity.
mesh_terms: D001013:Aorta, Thoracic / Q000000981:diagnostic imaging; D001014:Aortic Aneurysm / Q000000981:diagnostic imaging*; D001021:Aortic Valve; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed