1[46]Bergquist A,Glaumann H,Stal P,Wang GS,Broome U.Biliary dysplasia,cell proliferation and nuclear DNA-fragmentation in primary sclerosing cholangitis with and without cholangiocarcinoma.J Intern Med 2001;249:69-75
2[47]Fleming KA,Boberg KM,Glaumann H,Bergquist A,Smith D,Clausen OP.Biliary dysplasia as a marker of cholangiocarcinoma in primary sclerosing cholangitis.J Hepatol 2001;34:360-365
4[49]Kim WR,Ludwig J,Lindor KD.Variant forms of cholestatic diseases involving small bile ducts in adults.Am J Gastroenterol 2000;95:1130-1138
5[50]Bjornsson E,Boberg KM,Cullen S,Fleming K,Clausen OP,Fausa O,Schrumpf E,Chapman RW.Patients with small duct primary sclerosing cholangitis have a favourable long term prognosis.Gut 2002;51:731-735
6[51]Boberg KM,Schrumpf E,Fausa O,Elgjo K,Kolmannskog F,Haaland T,Holter E.Hepatobiliary disease in ulcerative colitis.An analysis of 18 patients with hepatobiliary lesions classified as small-duct primary sclerosing cholangitis.Scand J Gastroenterol 1994;29:744-752
8[53]van Buuren HR,van Hoogstraten HJE,Terkivatan T,Schalm SW,Vleggaar FP.High prevalence of autoimmune hepatitis among patients with primary sclerosing cholangitis.J Hepatol 2000;33:543-548
9[54]Bjornsson E,Chaff ST,Smyrk TC,Lindor K.Immunoglobulin G4 associated cholangitis:description of an emerging clinical entity based on review of the literature.Hepatology 2007;45:1547-1554