TY  - RPRT
TI  - Ulcerative colitis activity index: a useful prognostic factor for predicting ulcerative colitis outcome.
AU  - S Gürel
AU  - M Kiyici
DO  - 10.1177/147323000503300111
UR  - https://pubmed.ncbi.nlm.nih.gov/15651722/
ID  - 15651722
ER  -