@misc{10365,
  author = {C. Vasilakis and H. Jick and del Melero-Montes},
  title = {Risk of idiopathic venous thromboembolism in users of progestagens alone},
  year = {1999},
  journal = {Lancet},
  volume = {354},
  number = {9190},
  pages = {1610-1},
  issn = {0140-6736 (Print) 0140-6736},
  doi = {10.1016/s0140-6736(99)04394-9},
}