1.
International longitudinal registry of patients with atrial fibrillation at risk of stroke: Global Anticoagulant Registry in the FIELD (GARFIELD)
by Kakkar, Ajay K., MBBS, PhD
The American heart journal, 2012, Vol.163 (1), p.13-19.e1

2.
Trends in Prescribing Oral Anticoagulants in Canada, 2008–2014
by Weitz, Jeffrey I., MD
Clinical therapeutics, 2015, Vol.37 (11), p.2506-2514.e4
