TY  - RPRT
TI  - What is ulcerative colitis?
AU  - J NAISH
AU  - J L STEVENSON
PY  - 1953
DO  - 10.1016/s0140-6736(53)90184-6
UR  - https://pubmed.ncbi.nlm.nih.gov/13070617/
ID  - 13070617
ER  -