@misc{indiciae547e4d80afe6,
  title = {A modified sequential contraceptive.},
  author = {E Rice-Wray and J Gorodovsky and A Peña},
  year = {1972},
  doi = {10.1016/0010-7824(72)90012-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4119579/},
  note = {Source identifier: 4119579}
}