title: Heart valve replacement using homografts.
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000637:transplantation; D005260:Female; D006349:Heart Valve Diseases / Q000601:surgery*; D006351:Heart Valves / Q000637:transplantation*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014184:Transplantation, Homologous