Text here:We observed the development of ulcerative colitis (UC) in a 37 year old young woman with clinical and histological features of lymphocytic colitis (LC) after a period of six years....
http://www.pubmedcentral.nih.gov/articl ... id=1774654
Text here:Progression of Ulcerative Colitis to Collagenous Colitis: Chance, Evolution or Association?
http://www3.interscience.wiley.com/cgi- ... /HTMLSTART
Joanna