@misc{indiciae5dc3e1333476,
  title = {Biochemical changes in pregnancies following ovulation-induction therapy.},
  author = {H N Macdonald and W Good and K W Hancock},
  year = {1973},
  doi = {10.1111/j.1471-0528.1973.tb15967.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4720521/},
  note = {Source identifier: 4720521}
}