title: 24-hour coverage.
authors.forename: R S
authors.initials: RS
authors.lastname: Hockberger
authors.forename: P L
authors.initials: PL
authors.lastname: Henneman
mesh_terms: D004636:Emergency Service, Hospital / Q000458:organization & administration*; D007396:Internship and Residency / Q000458:organization & administration*; D010559:Personnel Management; D010561:Personnel Staffing and Scheduling