%0 Journal Article %K Financing Health Care %K Medicare %K Mental Health/Substance Abuse %K Pharmaceuticals %K Physicians %B Health Aff (Millwood) %D 2016 %G eng %N 3 %P 471-9 %R 10.1377/hlthaff.2015.1025 %T Medicare Letters To Curb Overprescribing Of Controlled Substances Had No Detectable Effect On Providers. %V 35 %1 https://www.ncbi.nlm.nih.gov/pubmed/26953302 %8 03/2016