title: Nursing: the 4-40: does it raise personnel costs?
mesh_terms: D000704:Analysis of Variance; D003365:Costs and Cost Analysis; D004469:Economics, Hospital; D004526:Efficiency; D009728:Nursing Assistants; D009741:Nursing Staff, Hospital / Q000706:statistics & numerical data; D009743:Nursing, Practical; D010557:Personnel Administration, Hospital; D010865:Pilot Projects; D014768:Virginia