Actively acquired tolerance to heterologous antigens; immunological consequences of transfusing chicken embryos with human blood.
D000818:Animals; D015478:Antigens, Heterophile; D001803:Blood Transfusion; D002642:Chick Embryo; D002645:Chickens; D004622:Embryo, Mammalian / Q000276:immunology*; D004625:Embryo, Nonmammalian; D006801:Humans; D007109:Immunity
D015478:Antigens, Heterophile
BLOOD TRANSFUSION/experimental; EMBRYO/immunology; IMMUNITY