Large study links nurse staffing and improved hospital outcomes.
Levenson
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D017052:Hospital Mortality; D006801:Humans; D009726:Nurses; D009729:Nursing; D010043:Outcome and Process Assessment, Health Care; D010561:Personnel Staffing and Scheduling / Q000706:statistics & numerical data; D010564:Personnel, Hospital; D011787:Quality of Health Care / Q000706:statistics & numerical data; D016896:Treatment Outcome; D014481:United States; D000078329:Workforce