@misc{indiciae6be8069850c0,
  title = {Spontaneously changing gravid cervix: clinical implications and prognostic features.},
  author = {B S Hertzberg and M A Kliewer and T A Farrell and D M DeLong},
  year = {1995},
  doi = {10.1148/radiology.196.3.7644635},
  url = {https://pubmed.ncbi.nlm.nih.gov/7644635/},
  note = {Source identifier: 7644635}
}