title: Preparation and radioimmunoassay of IgM domains.
mesh_terms: D006801:Humans; D007120:Immunochemistry; D007128:Immunoglobulin Fragments / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis*; D011863:Radioimmunoassay / Q000379:methods*; D012015:Reference Standards
chemical_list: D007128:Immunoglobulin Fragments; D007075:Immunoglobulin M