title: Variations of serum monoclonal immunoglobulin pattern in nonsecretory myeloma.
mesh_terms: D000911:Antibodies, Monoclonal / Q000302:isolation & purification*; D006801:Humans; D007136:Immunoglobulins / Q000302:isolation & purification; D008297:Male; D008875:Middle Aged; D009101:Multiple Myeloma / Q000276:immunology*
chemical_list: D000911:Antibodies, Monoclonal; D007136:Immunoglobulins