title: [Working hours reduction--an imposition and a challenge].
authors.forename: José
authors.initials: J
authors.lastname: Fragata
mesh_terms: D013502:General Surgery / Q000193:education*; D006801:Humans; D007396:Internship and Residency / Q000458:organization & administration*; D010557:Personnel Administration, Hospital; D010561:Personnel Staffing and Scheduling / Q000592:standards*; D013997:Time Factors