Comment on

• Clopidogrel plus aspirin versus oral anticoagulation for atrial fibrillation in the Atrial fibrillation Clopidogrel Trial with Irbesartan for prevention of Vascular Events (ACTIVE W): a randomised controlled trial.

  ACTIVE Writing Group of the ACTIVE Investigators; Connolly S, Pogue J, Hart R, Pfeffer M, Hohnloser S, Chrolavicius S, Pfeffer M, Hohnloser S, Yusuf S. ACTIVE Writing Group of the ACTIVE Investigators, et al. Lancet. 2006 Jun 10;367(9526):1903-12. doi: 10.1016/S0140-6736(06)68845-4. Lancet. 2006. PMID: 16765759 Clinical Trial.