@misc{indiciaed8c47ee8fae4,
  title = {Preterm cervical examination.},
  author = {T M Stubbs and J P Van Dorsten},
  year = {1988},
  doi = {10.1016/s0002-9378(88)80062-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3421285/},
  note = {Source identifier: 3421285}
}