@misc{indiciaee49ec2ce2ade,
  title = {Letrozole: ovulation or superovulation?},
  author = {Robert F Casper},
  year = {2003},
  doi = {10.1016/j.fertnstert.2003.05.004},
  url = {https://pubmed.ncbi.nlm.nih.gov/14667863/},
  note = {Source identifier: 14667863}
}