@misc{indiciae77d573c94aa7,
  title = {Cervical incompetence: preliminary evaluation with MR imaging.},
  author = {H Hricak and Y C Chang and C E Cann and J T Parer},
  year = {1990},
  doi = {10.1148/radiology.174.3.2305065},
  url = {https://pubmed.ncbi.nlm.nih.gov/2305065/},
  note = {Source identifier: 2305065}
}