We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleImpact of multitiered copayments on the use and cost of prescription drugs among Medicare beneficiaries.AuthorsGilman BH; Kautter JPublicationHealth services research, 2008, Vol 43, Issue 2, p478ISSN0017-9124Publication typearticleDOI10.1111/j.1475-6773.2007.00774.x