title: Low zone tolerance: a possible defect in the switch from IgM to IgG production.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D001435:Bacteriophages / Q000276:immunology; D004229:Dithiothreitol / Q000494:pharmacology; D005260:Female; D007108:Immune Tolerance; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D051379:Mice; D008808:Mice, Inbred CBA
chemical_list: D007074:Immunoglobulin G; D007075:Immunoglobulin M; D004229:Dithiothreitol