We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleClinical inquiries. Does combining aspirin and warfarin decrease the risk of stroke for patients with nonvalvular atrial fibrillation?AuthorsRobertson SL; Mayer JB; Guthmann RPublicationThe Journal of family practice, 2004, Vol 53, Issue 7, p570ISSN0094-3509Publication typearticle