@misc{indiciae320f39afb3ac,
  title = {The human menstrual cycle.},
  author = {J O Drife},
  year = {1977},
  doi = {10.1177/003693307702200302},
  url = {https://pubmed.ncbi.nlm.nih.gov/887911/},
  note = {Source identifier: 887911}
}