1. The pig as a xenograft donor;Sachs;Path Biol,1994
2. Xenograft tolerance;Sykes;Immunol Rev,1994
3. Inducing specific tolerance across xenogeneic barriers;Sykes;Xeno,1994
4. Specific tolerance across a discordant xenogeneic transplantation barrier;Lee;Proc Natl Acad Sci USA,1994
5. Immune restoration by fetal pig thymus grafts in T cell-depleted, thymectomized mice;Zhao;J Immunol,1997