[Mechanism of immunosuppression].
D000367:Age Factors; D000818:Animals; D000917:Antibody Formation; D000941:Antigens; D005246:Feedback; D006801:Humans; D007109:Immunity; D007166:Immunosuppressive Agents / Q000008:administration & dosage / Q000494:pharmacology; D009369:Neoplasms / Q000276:immunology; D009374:Neoplasms, Experimental / Q000139:chemically induced; D009696:Nucleic Acids / Q000096:biosynthesis; D051381:Rats; D013154:Spleen / Q000276:immunology; D013950:Thymus Gland / Q000276:immunology
D000941:Antigens; D007166:Immunosuppressive Agents; D009696:Nucleic Acids