@misc{indiciaeb7f8ae690ca8,
  title = {[Activating mechanism (progestogen)].},
  author = {S Ishihara and T Gyokusya and M Shibata and K Okada},
  year = {1975},
  url = {https://pubmed.ncbi.nlm.nih.gov/174846/},
  note = {Source identifier: 174846}
}