3Hinchey.P,Myers.B.Zalkin.J,et al.Low acuity EMS dispatch criteria can reliably identify patients without high-acuity illness or injury.Prehospital Emergency Care,2007,11(1):42-48.
4Heward.A.Damiani.M,Hartley-Sharpe.C.Does the use of the Advanced Medical Priority Dispatch system affect cardiac arrest detection?Emerg Med J,2004;21:115-118.
5Clawson.J,Olola.C,Heward.A,et al.Ability of the Medical Priority Dispatch System Protocol tn predict the acuity of"unknown problem"dispatch response levels.Prehospital Emergency Care,2008,12(3):290-296.