title: Preparation of heteograft calf aortic valve and technique of insertion.
mesh_terms: D000328:Adult; D000818:Animals; D001021:Aortic Valve / Q000637:transplantation*; D001022:Aortic Valve Insufficiency / Q000601:surgery*; D001024:Aortic Valve Stenosis / Q000601:surgery*; D002417:Cattle; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D013536:Suture Techniques; D014021:Tissue Preservation; D014183:Transplantation, Heterologous