title: Prevalence of primary sclerosing cholangitis in patients with ulcerative colitis.
authors.forename: H L
authors.initials: HL
authors.lastname: Waldum
mesh_terms: D015209:Cholangitis, Sclerosing / Q000150:complications* / Q000453:epidemiology*; D003093:Colitis, Ulcerative / Q000150:complications* / Q000453:epidemiology; D006801:Humans; D015995:Prevalence