@misc{indiciae1e405450c6e3,
  title = {Long-acting steroidal contraceptive systems.},
  author = {L R Beck and D R Cowsar and V Z Pope},
  year = {1980},
  url = {https://pubmed.ncbi.nlm.nih.gov/12179628/},
  note = {Source identifier: 12179628}
}