@misc{8268,
  author = {A. Mitchell and T. Welsh and M. Watson and J. Snowball and A. McGrogan},
  title = {Use of oral anticoagulants in older people with atrial fibrillation in UK general practice: protocol for a cohort study using the Clinical Practice Research Datalink (CPRD) database},
  year = {2019},
  journal = {BMJ Open},
  volume = {9},
  number = {12},
  pages = {e032646},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2019-032646},
}