title: Aortic valve replacement using fresh unstented homografts.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001021:Aortic Valve / Q000637:transplantation*; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D002648:Child; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D008943:Mitral Valve / Q000637:transplantation; D011183:Postoperative Complications; D014184:Transplantation, Homologous