TY  - RPRT
TI  - Surgery after colectomy for ulcerative colitis.
AU  - C E Leijonmarck
AU  - L Liljeqvist
AU  - B Poppen
AU  - G Hellers
PY  - 1992
DO  - 10.1007/bf02049409
UR  - https://pubmed.ncbi.nlm.nih.gov/1568402/
ID  - 1568402
ER  -