1. Are we ready to try clinical xenotransplantation?;Auchinloss;Xeno,1993
2. Ethical aspects of xenotransplantation;Hammer,1993
3. Liver allo- and xenotransplantation;Starzl,1993
4. Baboon to human cardiac xenotransplantation in a neonate;Baily;JAMA,1985
5. Molecular evoltionary clock and neutral theory;Kimura;J Mol Evol,1976