@misc{indiciae1910c0ea55a6,
  title = {Cervical smears--when and how often?},
  author = {A I Spriggs and O A Husain},
  year = {1977},
  doi = {10.1016/s0140-6736(77)91003-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/69924/},
  note = {Source identifier: 69924}
}