title: Nurse staffing and patient safety: current knowledge and implications for action.
authors.forename: Jack
authors.initials: J
authors.lastname: Needleman
authors.forename: Peter
authors.initials: P
authors.lastname: Buerhaus
mesh_terms: D017052:Hospital Mortality; D009732:Nursing Care; D009741:Nursing Staff, Hospital / Q000639:trends*; D017063:Outcome Assessment, Health Care; D010561:Personnel Staffing and Scheduling / Q000639:trends*; D012449:Safety; D000078329:Workforce; D016526:Workload