The induction of immunological tolerance during the primary response.
D000818:Animals; D000906:Antibodies / Q000032:analysis; D000917:Antibody Formation; D001152:Arsenicals; D002840:Chromates; D004140:Dinitrophenols; D005260:Female; D005620:Freund's Adjuvant; D006168:Guinea Pigs; D006241:Haptens / Q000008:administration & dosage*; D006639:Histidine; D007108:Immune Tolerance; D007115:Immunization Schedule; D008297:Male; D009578:Nitrobenzenes; D010323:Passive Cutaneous Anaphylaxis; D011188:Potassium; D012709:Serum Albumin; D012882:Skin Tests; D013501:Surface-Active Agents
D000906:Antibodies; D001152:Arsenicals; D002840:Chromates; D004140:Dinitrophenols; D006241:Haptens; D009578:Nitrobenzenes; D012709:Serum Albumin; D013501:Surface-Active Agents; D006639:Histidine; D005620:Freund's Adjuvant; D011188:Potassium