@misc{indiciae8a147b22129d,
  title = {Ectopic pregnancy.},
  author = {L Iffy},
  year = {1977},
  doi = {10.3109/00016347709158345},
  url = {https://pubmed.ncbi.nlm.nih.gov/842307/},
  note = {Source identifier: 842307}
}