Changing roles in emergency and outpatient services.
D000553:Ambulatory Care; D002170:Canada; D004636:Emergency Service, Hospital / Q000706:statistics & numerical data; D006285:Health Planning; D006739:Hospital Administration; D006749:Hospital Design and Construction; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data; D014481:United States; D000078329:Workforce