title: Partial characterization and purification of murine T cell-replacing factor, TRF. I. Purification procedures and gel electrophoretic analysis.
mesh_terms: D000818:Animals; D002850:Chromatography, Gel; D008211:Lymphocyte Cooperation; D008222:Lymphokines / Q000302:isolation & purification*; D008722:Methods; D051379:Mice; D013154:Spleen / Q000276:immunology; D013601:T-Lymphocytes / Q000032:analysis*
chemical_list: D008222:Lymphokines