@misc{indiciae11a9cc7348fd,
  title = {A clinical study on a sequential oral contraceptive-Ovisec.},
  author = {L Sölvell and L Nilsson},
  year = {1968},
  doi = {10.3109/00016346809156612},
  url = {https://pubmed.ncbi.nlm.nih.gov/4236366/},
  note = {Source identifier: 4236366}
}