title: [Summary of the article: Patel MR, Mahaffey KW, Garg J et al. Rivaroxaban versus warfarin in nonvalvular atrial fibrillation. N Engl J Med, 2011; 365: 1557-1559].
authors.affiliation: I Katedra i Klinika Kardiologii, Warszawski Uniwersytet Medyczny, Warszawa.
authors.forename: Ewa
authors.initials: E
authors.lastname: Szczerba