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