title: Chronic graft-versus-host disease and primary biliary cirrhosis: sorting the puzzle pieces.
authors.forename: A J
authors.initials: AJ
authors.lastname: Czaja
mesh_terms: D000818:Animals; D015496:CD4-Positive T-Lymphocytes / Q000276:immunology; D002908:Chronic Disease; D006086:Graft vs Host Disease / Q000276:immunology* / Q000503:physiopathology; D006801:Humans; D008105:Liver Cirrhosis, Biliary / Q000209:etiology / Q000276:immunology* / Q000503:physiopathology; D016131:Lymphocyte Subsets / Q000276:immunology*; D008285:Major Histocompatibility Complex