@misc{indiciaeba999f8e6d89,
  title = {Cervical sonography: a review.},
  author = {J Sonek and C Shellhaas},
  year = {1998},
  doi = {10.1046/j.1469-0705.1998.11010071.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/9511202/},
  note = {Source identifier: 9511202}
}