title: Antigen-specific factors: an overview.
mesh_terms: D000818:Animals; D002460:Cell Line; D002999:Clone Cells; D007375:Interleukin-1 / Q000302:isolation & purification; D008222:Lymphokines / Q000302:isolation & purification*; D013491:Suppressor Factors, Immunologic / Q000302:isolation & purification; D013601:T-Lymphocytes / Q000276:immunology*; D006377:T-Lymphocytes, Helper-Inducer / Q000276:immunology; D050378:T-Lymphocytes, Regulatory / Q000276:immunology
chemical_list: D007375:Interleukin-1; D008222:Lymphokines; D013491:Suppressor Factors, Immunologic