Ye, Byong Duk Clinical characteristics of ulcerative colitis associated with primary sclerosing cholangitis in Korea. [electronic resource] - Inflammatory bowel diseases Sep 2011 - 1901-6 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1536-4844 Standard No.: 10.1002/ibd.21569 doi Subjects--Topical Terms: AdolescentAdultAgedCase-Control StudiesChildCholangitis, Sclerosing--diagnosisCohort StudiesColitis, Ulcerative--complicationsColonoscopyColorectal Neoplasms--diagnosisFemaleFollow-Up StudiesHumansMaleMedical RecordsMiddle AgedPrevalencePrognosisRepublic of Korea--epidemiologyRetrospective StudiesRisk FactorsSurvival RateYoung Adult