@misc{indiciaeddeda08aa443,
  title = {Progesterone and pregnancy.},
  author = {Gian Carlo Di Renzo and Alberto Mattei and Miroslava Gojnic and Sandro Gerli},
  year = {2005},
  doi = {10.1097/01.gco.0000191899.84567.4d},
  url = {https://pubmed.ncbi.nlm.nih.gov/16258341/},
  note = {Source identifier: 16258341}
}