@misc{indiciaec1e049e517d3,
  title = {[Current monophasic hormonal contraception].},
  author = {T Chernev and S Ivanov and M Sirakov},
  year = {1998},
  url = {https://pubmed.ncbi.nlm.nih.gov/9859526/},
  note = {Source identifier: 9859526}
}