@misc{indiciae1fa013fe6e79,
  title = {Beta hCG dynamics in ectopic pregnancy.},
  author = {D E Pittaway},
  year = {1987},
  doi = {10.1097/00003081-198703000-00019},
  url = {https://pubmed.ncbi.nlm.nih.gov/2438074/},
  note = {Source identifier: 2438074}
}