@misc{indiciae9d7b48775577,
  title = {Postcoital pneumoperitoneum.},
  author = {J L Angel and C J Sims and W F O'Brien and R A Knuppel},
  year = {1988},
  url = {https://pubmed.ncbi.nlm.nih.gov/3287251/},
  note = {Source identifier: 3287251}
}