TY  - RPRT
TI  - Ulcerative colitis: one disease or two? (Quantitative histological differences between distal and extensive disease).
AU  - D Jenkins
AU  - A Goodall
AU  - B B Scott
PY  - 1990
DO  - 10.1136/gut.31.4.426
UR  - https://pubmed.ncbi.nlm.nih.gov/2338268/
ID  - 2338268
ER  -