1. Kauffman HM, Ellison MD, Pierce GA. Increasing donor-recipient imbalance justifies xenograft research. Transplant. Proc. 1996; 28: 849.
2. Fox PS, Failla JP, Kauffman HM et al. The cadaver donor: logistics of supply and demand in an urban population JAMA. 1972; 222: 162.
3. Nathan HM, Jerrell BE, Broznik B et al. Estimation and characterisation of the potential renal organ donor pool in Pennsylvania Transplantation. 1991; 51: 142.
4. Dickens BM. Legal and judicial aspects of post mortem organ donation. In: Collins GM, Dubernard JM, Land W, Persijn GG (eds.), Procurement, Preservation and Allocation of Vascularised Organs. Dordrecht: Kluwer, 1997: 343–357.
5. World Health Organisation. Human organ transplantation: A report on developments under the auspices of the WHO (1987–1991), 7. Geneva: WHO; 1991.