A.IgG B.IgA(分泌型) C.IgM D.IgD E.IgE
A.90% B.70% C.50% D.40% E.30%
A.CD34 B.L-selectin C.CD19 D.CD56 E.ICOS
A.SIgA B.IgG C.IgE D.IgM E.IgD