title: HMOs' delicate balancing act: the art of setting copayments.
authors.forename: M D
authors.initials: MD
authors.lastname: Dalzell
mesh_terms: D002204:Capitation Fee; D017047:Cost Sharing / Q000592:standards*; D004465:Economic Competition; D006264:Health Benefit Plans, Employee / Q000191:economics; D006279:Health Maintenance Organizations / Q000191:economics* / Q000706:statistics & numerical data; D006297:Health Services Accessibility; D007182:Income; D007356:Insurance, Pharmaceutical Services; D006278:Medicare / Q000191:economics; D014481:United States; D014600:Utilization Review