title: Registered nurse hours worked per patient day: the key to assessing staffing effectiveness and ensuring patient safety.
authors.affiliation: University Medical Center at Princeton, Princeton, NJ 08540, USA. joanne.ritter-teitel@princetonhcs.org
authors.forename: Joanne
authors.initials: J
authors.lastname: Ritter-Teitel
mesh_terms: D003695:Delivery of Health Care / Q000458:organization & administration; D007902:Length of Stay; D009726:Nurses; D010361:Patients; D010561:Personnel Staffing and Scheduling / Q000592:standards*; D012449:Safety; D014481:United States; D016526:Workload / Q000592:standards*