@misc{indiciaef7018e044970,
  title = {The contraceptive progestagens.},
  author = {V Petrow},
  year = {1970},
  doi = {10.1021/cr60268a004},
  url = {https://pubmed.ncbi.nlm.nih.gov/4098492/},
  note = {Source identifier: 4098492}
}