@misc{indiciae3aa9f75cdd91,
  title = {Oestrogen containing oral contraceptives decrease prostacyclin production.},
  author = {O Ylikorkala and J Puolakka and L Viinikka},
  year = {1981},
  doi = {10.1016/s0140-6736(81)90144-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/6109074/},
  note = {Source identifier: 6109074}
}