@misc{indiciaefec9b69411d9,
  title = {[Term cervical pregnancy].},
  author = {M Krzykawski and R Mistarz and M Piatek and S Sliwiński},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/1132742/},
  note = {Source identifier: 1132742}
}