title: [Clinico-epidemiologic study on the relation of ulcerative colitis and colonic cancer].
authors.forename: J Y
authors.initials: JY
authors.lastname: Wang
authors.forename: W N
authors.initials: WN
authors.lastname: Zhu
mesh_terms: D002681:China / Q000453:epidemiology; D015331:Cohort Studies; D003093:Colitis, Ulcerative / Q000150:complications / Q000453:epidemiology*; D003110:Colonic Neoplasms / Q000453:epidemiology / Q000209:etiology; D006801:Humans; D012189:Retrospective Studies; D012307:Risk Factors