title: Agency for health care policy and research study shows fewer nurses, greater patient risk.
mesh_terms: D006801:Humans; D009732:Nursing Care / Q000592:standards*; D009741:Nursing Staff, Hospital / Q000600:supply & distribution*; D010043:Outcome and Process Assessment, Health Care / Q000592:standards; D012307:Risk Factors; D014481:United States; D016270:United States Agency for Healthcare Research and Quality