Potential progenitor B cell compartments in multiple myeloma (MM) are clinically important. MM B cells and some circulating MM plasma cells express CD20. predicting their clearance by treatment with anti-CD20. Here we describe two types of clonotypic CD20+ B cell in peripheral blood of myeloma patients. https://www.alarecre.com/Music-Is-Freedom-Google-Pixel-7-Pro-Skin-p67850/