@misc{indiciae9b92d5a8c4b4,
  title = {Colpophotography systems: a review.},
  author = {D G Ferris and W A Willner and J J Ho},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1744608/},
  note = {Source identifier: 1744608}
}