Significance of aortic regurgitation after homograft replacement of aortic valve.
D001021:Aortic Valve / Q000637:transplantation*; D001022:Aortic Valve Insufficiency / Q000209:etiology*; D001027:Aortography; D006801:Humans; D011183:Postoperative Complications; D014184:Transplantation, Homologous