title: Interns' work hours.
authors.forename: Nathan A
authors.initials: NA
authors.lastname: Pennell
authors.forename: Joyce F
authors.initials: JF
authors.lastname: Liu
authors.forename: Michael J
authors.initials: MJ
authors.lastname: Mazzini
mesh_terms: D006801:Humans; D007362:Intensive Care Units / Q000458:organization & administration; D007396:Internship and Residency / Q000458:organization & administration*; D007858:Learning; D019300:Medical Errors / Q000517:prevention & control*; D010561:Personnel Staffing and Scheduling; D016526:Workload