1. Spillover effects of HIV testing policies: changes in HIV testing guidelines and HCV testing practices in drug treatment programs in the United States Frimpong, Jemima A.; D’Aunno, Thomas; Helleringer, Stéphane; Metsch, Lisa 2016 Articles HIV infections--Diagnosis--Government policyHepatitis C virusHIV (Viruses)--TestingHealth services administrationMedical carePublic health