@misc{indiciae1f34c9fbe993,
  title = {Cervical pregnancy.},
  author = {C W MARSH and W B J SCHUYLER},
  year = {1953},
  doi = {10.1016/0002-9378(53)90445-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/13040394/},
  note = {Source identifier: 13040394}
}