@misc{indiciae44ce9f26489f,
  title = {The preterm cervix and preterm labor: relative risks, predictive values, and change over time.},
  author = {T M Stubbs and J P Van Dorsten and M C Miller},
  year = {1986},
  doi = {10.1016/s0002-9378(86)80031-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/3766637/},
  note = {Source identifier: 3766637}
}