to evaluate the specificity of cellular immune response to hepatitis b virus ( hbv ) ag in patients with chronic hbv infection , we have measured ifn-gamma production and proliferation of pbmc of 16 patients with chronic active hepatitis ( cah ) , 17 asymptomatic carriers of hbv ( asc ) , 6 anti-hepatitis b surface ( hbs ) -positive subjects , and 6 control individuals with elisa procedure and [ 3h ] thymidine incorporation .
C0220825
evaluate
C0184661
procedure