HMO competition for Wisconsin's state employees.
D003363:Cost Control / Q000379:methods*; D004465:Economic Competition; D004467:Economics; D006264:Health Benefit Plans, Employee / Q000458:organization & administration*; D006279:Health Maintenance Organizations / Q000458:organization & administration*; D007348:Insurance, Health / Q000458:organization & administration*; D007750:Labor Unions; D013219:State Government; D014922:Wisconsin