RT Journal Article SR Electronic T1 Ulcerative colitis and an abnormal cholangiogram JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 306 OP 311 DO 10.3949/ccjm.78a.10089 VO 78 IS 5 A1 Nguyen, Douglas L. A1 Lazaridis, Konstantinos N. YR 2011 UL http://www.ccjm.org/content/78/5/306.abstract AB