We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleBy how much does dietary salt reduction lower blood pressure? I--Analysis of observational data among populations.AuthorsLaw, M R; Frost, C D; Wald, N JPublicationBMJ, 1991, Vol 302, Issue 6780, p811ISSN0959-8138Publication typearticleDOI10.1136/bmj.302.6780.811