@misc{indiciae2f007220f694,
  title = {Seco-steroids. I. 15,16-Secoprogesterone.},
  author = {N S Crossley},
  year = {1971},
  doi = {10.1039/j39710002491},
  url = {https://pubmed.ncbi.nlm.nih.gov/5166607/},
  note = {Source identifier: 5166607}
}