TY  - RPRT
TI  - Strictures in ulcerative colitis.
AU  - S J Goulston
AU  - V J McGovern
PY  - 1969
DO  - 10.1056/nejm196910022811422
UR  - https://pubmed.ncbi.nlm.nih.gov/5807939/
ID  - 5807939
ER  -