Manipulation of the immune response.
D000818:Animals; D000831:Animals, Newborn; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000008:administration & dosage; D003864:Depression, Chemical; D005620:Freund's Adjuvant / Q000494:pharmacology; D006241:Haptens; D006801:Humans; D007108:Immune Tolerance; D007112:Immunity, Maternally-Acquired
D000941:Antigens; D006241:Haptens; D005620:Freund's Adjuvant