title: Porcine heterografts in tricuspid position.
mesh_terms: D000818:Animals; D001021:Aortic Valve / Q000637:transplantation*; D001705:Bioprosthesis / Q000009:adverse effects; D005069:Evaluation Studies as Topic; D006350:Heart Valve Prosthesis; D006801:Humans; D013552:Swine; D013927:Thrombosis / Q000209:etiology; D014183:Transplantation, Heterologous; D014261:Tricuspid Valve / Q000601:surgery*