@misc{indiciae8d5902cf83a9,
  title = {Progestogens before and after the menopause.},
  author = {C R Kay},
  year = {1980},
  doi = {10.1136/bmj.281.6243.811-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/7427464/},
  note = {Source identifier: 7427464}
}