@misc{indiciaef37e5e9ac88c,
  title = {Gestational trophoblastic diseases: 4. Presentation with persistent low positive human chorionic gonadotropin test results.},
  author = {Laurence A Cole and Sarah A Khanlian and Almareena Giddings and Stephen A Butler and Carolyn Y Muller and Charles Hammond and Ernest Kohorn},
  year = {2006},
  doi = {10.1016/j.ygyno.2005.12.048},
  url = {https://pubmed.ncbi.nlm.nih.gov/16631243/},
  note = {Source identifier: 16631243}
}