title: Studies on the decline in immunosuppressive potency of rabbit anti-mouse thymocyte sera raised by repeated immunization of the same rabbit.
mesh_terms: D000042:Absorption; D000818:Animals; D000917:Antibody Formation; D000961:Antilymphocyte Serum / Q000494:pharmacology*; D001379:Azathioprine / Q000494:pharmacology; D004357:Drug Synergism; D004912:Erythrocytes / Q000276:immunology; D006386:Hemagglutination Tests; D007114:Immunization; D007117:Immunization, Secondary; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007074:Immunoglobulin G / Q000032:analysis / Q000378:metabolism; D007165:Immunosuppression Therapy; D007962:Leukocytes / Q000276:immunology; D051379:Mice; D004364:Pharmaceutical Preparations; D011817:Rabbits; D016038:Skin Transplantation; D013950:Thymus Gland / Q000276:immunology*; D014181:Transplantation Immunology; D014184:Transplantation, Homologous
chemical_list: D000961:Antilymphocyte Serum; D007074:Immunoglobulin G; D004364:Pharmaceutical Preparations; D001379:Azathioprine