title: Drug cost-sharing amounts stable 2010-2011.
mesh_terms: D017047:Cost Sharing / Q000191:economics; D016527:Drug Costs; D016568:Drugs, Generic / Q000191:economics*; D006801:Humans; D054524:Medicare Part D / Q000191:economics* / Q000592:standards; D009042:Motivation; D014481:United States
chemical_list: D016568:Drugs, Generic