Low nursing staffing levels causing stress.
D001291:Attitude of Health Personnel; D003625:Data Collection; D006801:Humans; D009741:Nursing Staff, Hospital / Q000523:psychology / Q000706:statistics & numerical data / Q000600:supply & distribution*; D010561:Personnel Staffing and Scheduling / Q000706:statistics & numerical data; D013315:Stress, Psychological / Q000517:prevention & control*; D014481:United States; D014940:Work Schedule Tolerance