@misc{10361,
  author = {R. Farmer and R. Lawrenson and J. Todd and T. Williams and K. MacRae},
  title = {Oral contraceptives and venous thromboembolic disease. Analyses of the UK General Practice Research Database and the UK Mediplus database},
  year = {1999},
  journal = {Hum Reprod Update},
  volume = {5},
  number = {6},
  pages = {688-706},
  issn = {1355-4786 (Print) 1355-4786},
}