TY  - RPRT
TI  - Surgery for ulcerative colitis.
AU  - David Blumberg
AU  - David E Beck
PY  - 2002
DO  - 10.1016/s0889-8553(01)00013-9
UR  - https://pubmed.ncbi.nlm.nih.gov/12122734/
ID  - 12122734
ER  -