title: [Experimental and clinical studies on xenograft of the cardiac valves].
mesh_terms: D000328:Adult; D000818:Animals; D001021:Aortic Valve / Q000473:pathology / Q000637:transplantation*; D002417:Cattle; D005260:Female; D006789:Host vs Graft Reaction; D006801:Humans; D008297:Male; D008875:Middle Aged; D013552:Swine; D014181:Transplantation Immunology; D014183:Transplantation, Heterologous