Background: The similar efficacy of rivaroxaban and warfarin in thromboembolic events was recognized in clinical trials. But there are a few studies about the comparison of these medications in real world. This study was designed with the aim of comparing the efficacy and safety of the rivaroxaban and warfarin. https://www.jmannino.com/quick-sale-Catherine-Lansfield-Ombre-Rainbow-Clouds-66x72-Ready-Made-Eyelet-Curtains-Pastel-big-sale/