1. Hosenpud JD, Novick RJ, Breen TJ, et al. The registry of the International Society for Heart and Lung Transplantation: eleventh official report-1994. J Heart Lung Transplant 1994; 13: 561–570.
2. Breen TJ, Keck B, Daily P, et al. The use of older donors results in a major increase in early mortality following orthotopic cardiac transplantation. J Heart Lung Transplant 1994; 13: S51.
3. Livi U; Bortolotti U, Luciani GB, et al. Donor shortage in heart transplantation: is extension of donor age limits justified? J Tho-rac Cardiovasc Surg 1994; 107: 1346–1355.
4. Chau EMC, McGregor CGA, Rodeheffer JR, et al. Increased incidence of chronotropic incompetence in older donor hearts. J Heart Lung Transplant 1995; 14: 743–748.
5. Mercer P, Sharpies L, Edmunds J, et al. Evaluating the donor pool: impact of using hearts from donors over the age of 49 years. Transplant Proc 1997; 29: 3293–3296.