title: Letter: Standardization of immunoglobulin determinations.
mesh_terms: D006801:Humans; D007122:Immunoelectrophoresis / Q000592:standards*; D007136:Immunoglobulins / Q000032:analysis*; D007391:International Cooperation; D008722:Methods; D014944:World Health Organization
chemical_list: D007136:Immunoglobulins