title: Evidence for two populations of T suppressor cells in spleen allograft tolerant rats.
authors.forename: S M
authors.initials: SM
authors.lastname: Stepkowski
authors.forename: W R
authors.initials: WR
authors.lastname: Duncan
authors.forename: H
authors.initials: H
authors.lastname: Bitter-Suermann
mesh_terms: D000818:Animals; D006085:Graft Survival; D051381:Rats; D011919:Rats, Inbred Strains; D013154:Spleen / Q000276:immunology / Q000637:transplantation*; D050378:T-Lymphocytes, Regulatory / Q000145:classification*; D014184:Transplantation, Homologous