the concentration of s beta 2m and the ratio s beta 2m m/th are higher in multiple myeloma than in controls and are strongly correlated with the plasma cell mass on the other hand , no difference was noted concerning the s beta 2m and the ration s beta 2m m/th between benign monoclonal gammopathy and multiple myeloma at stage i of durie and salmon .
C0032112
plasma cell
C0026470
benign monoclonal