@misc{9557,
  author = {L. Azoulay and S. Dell'Aniello and T. Simon and D. Langleben and C. Renoux and S. Suissa},
  title = {A net clinical benefit analysis of warfarin and aspirin on stroke in patients with atrial fibrillation: a nested case-control study},
  year = {2012},
  journal = {BMC Cardiovasc Disord},
  volume = {12},
  pages = {49},
  issn = {1471-2261},
  doi = {10.1186/1471-2261-12-49},
}