Letter: Forms of colitis.
D003092:Colitis / Q000266:history*; D003093:Colitis, Ulcerative / Q000175:diagnosis; D003424:Crohn Disease / Q000175:diagnosis; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology; D005385:Fingers; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010005:Osteoarthropathy, Secondary Hypertrophic / Q000209:etiology