title: How severe is the nurse shortage?
authors.forename: Donald E L
authors.initials: DE
authors.lastname: Johnson
mesh_terms: D006302:Health Services Research; D006801:Humans; D019300:Medical Errors / Q000706:statistics & numerical data*; D009741:Nursing Staff, Hospital / Q000600:supply & distribution*; D010561:Personnel Staffing and Scheduling / Q000592:standards; D011787:Quality of Health Care; D017751:Safety Management; D014481:United States