title: Nurse Staffing: The Knowns and Unknowns.
authors.forename: Jack
authors.initials: J
authors.lastname: Needleman
mesh_terms: D006801:Humans; D009741:Nursing Staff, Hospital / Q000191:economics* / Q000600:supply & distribution*; D061214:Patient Safety; D010561:Personnel Staffing and Scheduling; D011785:Quality Assurance, Health Care; D014481:United States; D017132:Workplace