Frequency and significance of proximal extension of distal ulcerative colitis.
Forbes
A
A
St Mark's Hospital, Harrow, UK.
D002986:Clinical Trials as Topic; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000453:epidemiology* / Q000503:physiopathology*; D018450:Disease Progression; D006801:Humans; D015994:Incidence; D011349:Proctitis / Q000175:diagnosis / Q000503:physiopathology*; D011379:Prognosis; D012307:Risk Factors