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2. Gula G, Ahmed M, Thompson R, et al. Combined homograft replacement of the aortic valve and aortic root with reimplantation of the coronary arteries. Circulation 1976;53/54(suppl):II150.
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4. Ross DN. Application of homografts in clinical surgery. J Card Surg 1987;2:175–183.
5. Okita Y, Franciosi G, Matsuki O, Robles A, Ross DN. Early and late results of aortic root replacement with antibiotic-sterilized aortic homograft. J Thorac Cardiovasc Surg 1988;95:696–704.