Alternative names | APY, ATOPY, B lymphocyte antigen CD20, B Lymphocyte Cell Surface Antigen B1, B-lymphocyte antigen CD20, B-lymphocyte cell-surface antigen B1, B-lymphocyte surface antigen B1, B1, Bp 35, Bp35, CD 20, CD20, CD20 antigen, CD20 receptor, CD20_HUMAN, CVID 5, CVID5, Fc epsilon receptor I beta chain, Fc Fragment of IgE high affinity I receptor for beta polypeptide, FCER1B |