Quality assurance: insurance against malpractice.
D006801:Humans; D007351:Insurance, Liability; D007400:Interprofessional Relations; D008318:Malpractice; D009722:Nurse Practitioners / Q000592:standards; D009732:Nursing Care / Q000592:standards*; D010820:Physicians / Q000592:standards; D011366:Professional Review Organizations; D011787:Quality of Health Care; D014481:United States