Pros, cons of 4-40.
D001290:Attitude; D004526:Efficiency; D005221:Fatigue / Q000209:etiology; D006801:Humans; D007398:Interpersonal Relations; D010557:Personnel Administration, Hospital; D010559:Personnel Management; D010564:Personnel, Hospital / Q000706:statistics & numerical data; D013997:Time Factors; D014481:United States