New legal principle: hospital now is liable for what it should know about its medical staff.
D002140:California; D004636:Emergency Service, Hospital; D006739:Hospital Administration / Q000592:standards; D007351:Insurance, Liability; D007603:Jurisprudence; D008318:Malpractice; D008505:Medical Staff, Hospital / Q000592:standards*; D014600:Utilization Review