title: [Diagnostic criteria for idiopathic proctocolitis and determination of its stages].
mesh_terms: D000328:Adult; D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000473:pathology; D003581:Cytodiagnosis; D006801:Humans; D008875:Middle Aged; D012007:Rectum / Q000473:pathology