@misc{indiciae10c9cac3325d,
  title = {Progestogen-only pills and bleeding disturbances.},
  author = {G Kovacs},
  year = {1996},
  doi = {10.1093/humrep/11.suppl\_2.20},
  url = {https://pubmed.ncbi.nlm.nih.gov/8982741/},
  note = {Source identifier: 8982741}
}