TY  - RPRT
TI  - What is ulcerative colitis?
AU  - J M RICE-OXLEY
PY  - 1953
DO  - 10.1016/s0140-6736(53)90402-4
UR  - https://pubmed.ncbi.nlm.nih.gov/13098043/
ID  - 13098043
ER  -