two different types of immune reactions against liver membrane antigens have been described : firstly , cell-mediated immunity and autoantibodies against the liver-specific protein ( lsp ) in hbsag-negative and hbsag-positive chronic active hepatitis ( cah ) , and secondly , a liver membrane autoantibody ( lma ) in hbsag-negative cah .
C0003320
antigens
C0020966
cell-mediated immunity