title: Endoscopic and biopsy studies of the oesophagus in ulcerative colitis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000473:pathology*; D004941:Esophagitis / Q000175:diagnosis* / Q000473:pathology; D004945:Esophagoscopy; D004947:Esophagus / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged