TY  - RPRT
TI  - Pathogenesis of ulcerative colitis.
AU  - R A Fairburn
PY  - 1981
DO  - 10.1016/s0140-6736(81)91953-x
UR  - https://pubmed.ncbi.nlm.nih.gov/6109975/
ID  - 6109975
ER  -