title: Tolerance: then and now.
authors.forename: Leslie Baruch
authors.initials: LB
authors.lastname: Brent
mesh_terms: D000818:Animals; D049673:History, 20th Century; D006801:Humans; D007108:Immune Tolerance; D007165:Immunosuppression Therapy / Q000266:history*; D014181:Transplantation Immunology