PT - JOURNAL ARTICLE AU - Bayard, Yves L AU - Ostermayer, Stefan H AU - Sievert, Horst TI - Alternatives to warfarin in atrial fibrillation: drugs and devices AID - 10.1136/hrt.2007.118844 DP - 2008 Sep 01 TA - Heart PG - 1113--1116 VI - 94 IP - 9 4099 - http://heart.bmj.com/content/94/9/1113.short 4100 - http://heart.bmj.com/content/94/9/1113.full SO - Heart2008 Sep 01; 94