TY  - RPRT
TI  - Ulcerative colitis; follow-up studies.
AU  - F C WHEELOCK
AU  - R WARREN
PY  - 1955
DO  - 10.1056/nejm195503172521102
UR  - https://pubmed.ncbi.nlm.nih.gov/14356354/
ID  - 14356354
ER  -