title: Conditions of antigenic stimulation necessary for the termination of the IgM response and the appearance of a single and persistent IgG response: The change from IgM to IgG is a biological expansion of the response.
mesh_terms: D000818:Animals; D000942:Antigens, Bacterial / Q000008:administration & dosage; D002002:Brucella; D007074:Immunoglobulin G / Q000096:biosynthesis*; D007075:Immunoglobulin M / Q000096:biosynthesis*; D011817:Rabbits
chemical_list: D000942:Antigens, Bacterial; D007074:Immunoglobulin G; D007075:Immunoglobulin M