TY - GEN AU - Beer,A E AU - Billingham,R E TI - The embryo as a transplant SN - 0036-8733 PY - 1974///0516 KW - Animals KW - Embryo, Mammalian KW - immunology KW - Female KW - Guinea Pigs KW - Haplorhini KW - Humans KW - Immune Tolerance KW - Macaca KW - Maternal-Fetal Exchange KW - Pregnancy KW - Rats KW - Rats, Inbred Strains KW - Skin Transplantation KW - Transplantation Immunology KW - Transplantation, Homologous KW - Trophoblasts KW - Uterus N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/scientificamerican0474-36 ER -