We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleUse of a marginal structural model to determine the effect of aspirin on cardiovascular mortality in the Physicians' Health Study.AuthorsCook NR; Cole SR; Hennekens CHPublicationAmerican journal of epidemiology, 2002, Vol 155, Issue 11, p1045ISSN0002-9262Publication typearticleDOI10.1093/aje/155.11.1045