B220-low CD38-positive IgG-negative class switched memory B cell
b220-low cd38-positive igg-negative class switched memory b cell
"A B220-low CD38-positive IgG-negative memory B cell is a CD38-positive IgG-negative class switched memory B cell that lacks IgG on the cell surface with the phenotype B220-low, CD38-positive, and IgG-positive."