title: ESA payment changes: chasing a moving target.
authors.affiliation: Quantitative Medical Systems Inc., Emeryville, Calif, USA.
authors.forename: John A
authors.initials: JA
authors.lastname: Sargent
mesh_terms: D014487:Centers for Medicare and Medicaid Services, U.S.; D016903:Drug Monitoring; D004363:Drug Utilization; D004921:Erythropoietin / Q000191:economics*; D006397:Hematinics / Q000191:economics*; D006400:Hematocrit; D006801:Humans; D007676:Kidney Failure, Chronic / Q000188:drug therapy*; D006278:Medicare / Q000458:organization & administration*; D009398:Nephrology / Q000191:economics*; D009936:Organizational Innovation; D016134:Organizational Policy; D018579:Patient Selection; D012051:Reimbursement Mechanisms / Q000458:organization & administration*; D014481:United States
chemical_list: D006397:Hematinics; D004921:Erythropoietin