to study the expression of mhc class ii subregion gene products on biliary epithelial cells in primary biliary cirrhosis , frozen sections from liver biopsies of 15 patients with primary biliary cirrhosis were studied immunohistochemically using hla-d subregion specific monoclonal antibodies l243 ( hla-dr ) , leu10 ( hla-dq ) and b7/21 ( hla-dp ) .
C0019754
hla-d
C0019764
hla-dr