title: The immune system: immunoglobulin abnormalities.
mesh_terms: D000361:Agammaglobulinemia / Q000175:diagnosis / Q000276:immunology; D006362:Heavy Chain Disease / Q000276:immunology; D006801:Humans; D006942:Hypergammaglobulinemia / Q000175:diagnosis / Q000276:immunology; D007075:Immunoglobulin M; D007136:Immunoglobulins / Q000032:analysis / Q000145:classification; D007223:Infant; D008875:Middle Aged; D009101:Multiple Myeloma / Q000276:immunology; D008258:Waldenstrom Macroglobulinemia / Q000276:immunology
chemical_list: D007075:Immunoglobulin M; D007136:Immunoglobulins