title: Regulation of the immune response in the rat: evidence for the existence of contrasuppressor cells.
mesh_terms: D000818:Animals; D002448:Cell Adhesion / Q000187:drug effects; D002478:Cells, Cultured; D003208:Concanavalin A / Q000494:pharmacology; D004261:DNA Replication / Q000187:drug effects; D007111:Immunity, Cellular / Q000187:drug effects; D007501:Iron / Q000494:pharmacology; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000187:drug effects / Q000276:immunology*; D010835:Phytohemagglutinins; D051381:Rats; D011917:Rats, Inbred Lew; D013154:Spleen / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology
chemical_list: D010835:Phytohemagglutinins; D003208:Concanavalin A; D007501:Iron