1. Is California's hospital-based ED system eroding? Author(s): Melnick, Glenn. Publication: [Oakland, Calif.] : California HealthCare Foundation, [2009] Subject(s): Emergency Service, Hospital -- trendsEmergency Service, Hospital -- utilizationHealth Services AccessibilityHealth Services Needs and DemandPatient Admission -- statistics & numerical dataEconomics, HospitalEmergency Service, Hospital -- organization & administrationEmergency Service, Hospital -- statistics & numerical dataForecastingHealth Facility ClosureHospital Bed CapacityHumansCalifornia