title: Inflammatory bowel diseases: Part I. Classification and cancer risk.
authors.affiliation: UCLA School of Medicine.
authors.forename: G
authors.initials: G
authors.lastname: Gitnick
mesh_terms: D003093:Colitis, Ulcerative / Q000145:classification / Q000150:complications*; D003110:Colonic Neoplasms / Q000209:etiology*; D003424:Crohn Disease / Q000145:classification / Q000150:complications*; D006801:Humans