00469nas a2200169   4500000000100000008004100001100001500042700002000057700001300077700001700090700001400107700001400121245013600135300000700271490000700278022001400285       2012                            d1 aL. Azoulay1 aS. Dell'Aniello1 aT. Simon1 aD. Langleben1 aC. Renoux1 aS. Suissa00aA net clinical benefit analysis of warfarin and aspirin on stroke in patients with atrial fibrillation: a nested case-control study  a490 v12  a1471-2261