title: Homograft aortic valve replacement 1971 - 1978.
mesh_terms: D000293:Adolescent; D000328:Adult; D001021:Aortic Valve / Q000637:transplantation*; D002648:Child; D005260:Female; D006349:Heart Valve Diseases / Q000601:surgery*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications; D012189:Retrospective Studies; D014184:Transplantation, Homologous