title: Multifactorial stenosis of a porcine aortic valve.
mesh_terms: D000328:Adult; D001024:Aortic Valve Stenosis / Q000209:etiology*; D001705:Bioprosthesis / Q000009:adverse effects*; D005260:Female; D006350:Heart Valve Prosthesis / Q000009:adverse effects*; D006801:Humans