@misc{indiciae9797fe63190d,
  title = {Cervical length and preterm labor.},
  author = {D F Colombo and J D Iams},
  year = {2000},
  doi = {10.1097/00003081-200012000-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/11100291/},
  note = {Source identifier: 11100291}
}