@misc{10364,
  author = {S. Jick and M. Myers and H. Jick},
  title = {Risk of idiopathic cerebral haemorrhage in women on oral contraceptives with differing progestagen components},
  year = {1999},
  journal = {Lancet},
  volume = {354},
  number = {9175},
  pages = {302-3},
  issn = {0140-6736 (Print) 0140-6736},
  doi = {10.1016/s0140-6736(99)01014-4},
}