title: Ulcerative colitis extent varies with time but endoscopic appearances may be deceptive.
authors.affiliation: Department of Medicine, University of Liverpool, Liverpool L69 3GA, UK. rhodesjm@liverpool.ac.uk
authors.forename: J M
authors.initials: JM
authors.lastname: Rhodes
mesh_terms: D001706:Biopsy / Q000379:methods; D003093:Colitis, Ulcerative / Q000473:pathology*; D003113:Colonoscopy / Q000379:methods*; D018450:Disease Progression; D005500:Follow-Up Studies; D006801:Humans; D011379:Prognosis