Primary care in a tertiary care center: its impact on hospitalization.
D000553:Ambulatory Care / Q000458:organization & administration*; D004636:Emergency Service, Hospital / Q000458:organization & administration; D006123:Group Practice; D006745:Hospital Bed Capacity, 300 to 499; D006748:Hospital Departments / Q000458:organization & administration*; D009519:New York City; D010044:Outpatient Clinics, Hospital / Q000458:organization & administration; D011320:Primary Health Care / Q000458:organization & administration; D000078329:Workforce