1. Medicare Part B drug payments: impact of price substitutions based on 2018 average sales prices Publication: [Washington, D.C.] : U.S. Department of Health and Human Services, Office of Inspector General, August 2020 Subject(s): Cost Control -- legislation & jurisprudenceDrug Substitution -- economicsGovernment RegulationMedicare Part B -- economicsUnited StatesUnited States. Department of Health and Human Services
