TY  - RPRT
TI  - High risk, low mortality in chronic ulcerative colitis: explanation.
AU  - H Steinberg
PY  - 1993
DO  - 10.1016/0016-5085(93)90322-4
UR  - https://pubmed.ncbi.nlm.nih.gov/8462821/
ID  - 8462821
ER  -