title: APNA position statement: staffing inpatient psychiatric units.
mesh_terms: D017408:Guidelines as Topic; D006801:Humans; D001523:Mental Disorders / Q000451:nursing*; D009741:Nursing Staff, Hospital / Q000600:supply & distribution*; D061214:Patient Safety; D010561:Personnel Staffing and Scheduling; D011787:Quality of Health Care; D012956:Societies, Nursing; D014481:United States