the expression of six cytoplasmic/membrane antigens ( beta 2-microglobulin , hla , hla-dr , carcinoembryonic antigen , and two breast tumor-associated antigens ( taas ) , b6.2 and b72.3 ) was investigated in serial sections of 28 human breast carcinomas using monoclonal antibodies and the avidin-biotin complex immunoperoxidase technique .
C0007603
cytoplasmic/membrane
C0019764
hla-dr