@misc{indiciaeb2199457c360,
  title = {Even oral progesterone may be effective.},
  author = {E R González},
  year = {1981},
  doi = {10.1001/jama.245.14.1394},
  url = {https://pubmed.ncbi.nlm.nih.gov/7193749/},
  note = {Source identifier: 7193749}
}