Review

Novel oral anticoagulants in atrial fibrillation: a meta-analysis of large, randomized, controlled trials vs warfarin.

Clin Cardiol. 2013 Feb 1;36(2):61-7.
Article

Comparative efficacy and safety of new oral anticoagulants in patients with atrial fibrillation.

Circ Cardiovasc Qual. 2012 Jul 1;5(4):480-6.
Comparative Study

Indirect comparisons of new oral anticoagulant drugs for efficacy and safety when used for stroke prevention in atrial fibrillation.

J. Am. Coll. Cardiol. 2012 Aug 21;60(8):738-46.