@misc{indiciae107bdd59e046,
  title = {[Initial experiences with a levonorgestrel-ethinyl estradiol combination for interception].},
  author = {R Fitz and W Grünberger and E Vytiska-Binstorfer},
  year = {1989},
  doi = {10.1055/s-2008-1036294},
  url = {https://pubmed.ncbi.nlm.nih.gov/2515090/},
  note = {Source identifier: 2515090}
}