Expression of HLA-DR antigens on bile duct epithelium in primary sclerosing cholangitis RW Chapman, PM Kelly, A Heryet, DP Jewell and KA Fleming

Cigarette smoking, appendectomy, and tonsillectomy as risk factors for the development of primary sclerosing cholangitis: a case control study
S A Mitchell1, M Thyssen1, T R Orchard1, D P Jewell1, K A Fleming2 and R W Chapman1

Epidemiology of appendicectomy in primary sclerosing cholangitis and ulcerative colitis: its influence on the clinical behaviour of these diseases
T H J Florin1, N Pandeya2 and G L Radford-Smith3

High frequency of autoantibodies in patients with primary sclerosing cholangitis that bind biliary epithelial cells and induce expression of CD44 and production of interleukin 6
B Xu1, U Broome2, B-G Ericzon3 and S Sumitran-Holgersson1

Importance of antineutrophil cytoplasmic antibodies in primary sclerosing cholangitis and ulcerative colitis: prevalence, titre, and IgG subclass
DS Bansi, KA Fleming and RW Chapman

Inappropriate expression of blood group antigens on biliary and colonic epithelia in primary sclerosing cholangitis
S Bloom, A Heryet, K Fleming and RW Chapman

Increased colorectal neoplasia in chronic ulcerative colitis complicated by primary sclerosing cholangitis: fact or fiction?
H JAYARAM, J SATSANGI, R W G CHAPMAN