TY  - RPRT
TI  - Ulcerative colitis as affected by pregnancy.
AU  - B B CROHN
AU  - E B CROHN
AU  - L J GABRILOVE
AU  - R I WALTER
AU  - H YARNIS
PY  - 1956
UR  - https://pubmed.ncbi.nlm.nih.gov/13358885/
ID  - 13358885
ER  -