1. A difference-in-difference analysis of changes in quality, utilization, and cost following the Colorado multi-payer patient-centered medical home pilot Author(s): Lorber, Deborah, author Publication: [New York, N.Y.] : Commonwealth Fund, 2015 Subject(s): Health Care CostsInsurance, Health, ReimbursementPatient-Centered CarePrimary Health Care -- utilizationCost SavingsEmergency Service, Hospital -- utilizationHospitalizationMultiple Chronic ConditionsPilot ProjectsQuality Indicators, Health CareReimbursement MechanismsHumansColoradoUnited States