title: Relative "strength" of histocompatibility barriers as compared on the basis of different criteria.
mesh_terms: D000483:Alleles; D000818:Animals; D000941:Antigens; D006087:Graft vs Host Reaction; D006648:Histocompatibility; D006650:Histocompatibility Testing; D007108:Immune Tolerance; D046911:Macromolecular Substances; D051379:Mice; D016038:Skin Transplantation
chemical_list: D000941:Antigens; D046911:Macromolecular Substances