TY  - RPRT
TI  - Prognosis in ulcerative colitis.
AU  - O Broström
PY  - 1990
DO  - 10.1016/s0025-7125(16)30596-x
UR  - https://pubmed.ncbi.nlm.nih.gov/2404177/
ID  - 2404177
ER  -