@misc{indiciaef0f745845fdb,
  title = {Determining ectopic pregnancy risk using progesterone levels.},
  author = {Dewey C Scheid and Kalyanakrishnan Ramakrishnan},
  year = {2006},
  url = {https://pubmed.ncbi.nlm.nih.gov/16770919/},
  note = {Source identifier: 16770919}
}