title: [Work efficiency and the 5-day week. (A friendly contribution to increase in work efficiency and improvement of the health of the reader)].
authors.forename: R
authors.initials: R
authors.lastname: HUEBNER
mesh_terms: D004526:Efficiency; D006262:Health; D006801:Humans; D009787:Occupational Medicine; D014937:Work
keywords: INDUSTRIAL MEDICINE