@misc{indiciae39c89e1df6b0,
  title = {Progesterone or progestogens?},
  author = {K Dalton},
  year = {1976},
  doi = {10.1136/bmj.2.6046.1257},
  url = {https://pubmed.ncbi.nlm.nih.gov/990874/},
  note = {Source identifier: 990874}
}