@misc{9781,
  author = {S. Rietbrock and J. Plumb and A. Gallagher and T. van Staa},
  title = {How effective are dose-adjusted warfarin and aspirin for the prevention of stroke in patients with chronic atrial fibrillation? An analysis of the UK General Practice Research Database},
  year = {2009},
  journal = {Thromb Haemost},
  volume = {101},
  number = {3},
  pages = {527-34},
  issn = {0340-6245 (Print) 0340-6245},
}