"Genetically the strong primary sclerosing cholangitis (PSC) risk factors HLA-B*08 and DRB1*03 were more prevalent in Antineutrophil cytoplasmic antibodies (ANCA) -positive than -negative patients. In UC patients without liver disease HLA-DRB1*03 was more prevalent in pANCA-positive compared with -negative patients.Antineutrophil cytoplasmic antibodies identified PSC patients with clinical and genetic characteristics."xsd:string