IgD-positive CD38-positive IgG memory B cell
igd-positive cd38-positive igg memory b cell
"An IgD-positive CD38-positive IgG memory B cell is a CD38-positive IgG-positive class switched memory B cell that has class switched and expresses IgD on the cell surface with the phenotype IgD-positive, CD38-positive, and IgG-positive."