@misc{indiciae15101b748c47,
  title = {Ulcerative colitis and pregnancy.},
  author = {B B CROHN and H YARNIS and E B CROHN and R I WALTER and L J GABRILOVE},
  year = {1956},
  url = {https://pubmed.ncbi.nlm.nih.gov/13305756/},
  note = {Source identifier: 13305756}
}