title: Embryonic tissue transplantation incompatibility in an amphibian.
mesh_terms: D000818:Animals; D001001:Anura; D004624:Embryo Transfer; D006648:Histocompatibility; D007108:Immune Tolerance; D011894:Rana pipiens; D016038:Skin Transplantation; D014184:Transplantation, Homologous