TY  - RPRT
TI  - IRREVERSIBLE CHANGES OF ULCERATIVE COLITIS.
AU  - F C WALKER
AU  - G T CURTIS
PY  - 1965
DO  - 10.1136/bmj.1.5432.406
UR  - https://pubmed.ncbi.nlm.nih.gov/14237922/
ID  - 14237922
ER  -