'Actively acquired tolerance' of foreign cells. 1953.
Billingham
R E
RE
Brent
L
L
Medawar
P B
PB
D000818:Animals; D049673:History, 20th Century; D007165:Immunosuppression Therapy / Q000266:history* / Q000379:methods; D051379:Mice; D014181:Transplantation Immunology