TY  - RPRT
TI  - Cholangitis in ulcerative colitis--a risk factor for colonic malignancy?
AU  - W Kruis
PY  - 2000
DO  - 10.1007/s003840000224
UR  - https://pubmed.ncbi.nlm.nih.gov/10954189/
ID  - 10954189
ER  -