3[1]Eichon TH,cooper JB,Cullen DJ,et al. Standards for patients monitoring during anesthesia[J]. Harvard Medical School. TAMA, 1986,256: 1018～1020.
4[2]Coplans MP,Curson I. Deaths associated with dentistry and dental disease[J]. Anaesthesia, 1993,48: 435～438.
5[3]Nelson RR,Gobel FL,Jorgensen CR,et al. Hemodynamic predictors of myocardial oxygen consumption during static and dynamic exercise[J]. Circulation 1974, 50: 1179～1189.
6[4]Robert L,William G. A comparison of cardiac rate-pressure product and pressure-rate quotient in healthy and medically compromised patients[J]. Oral surgery oral medicine oral pathology, 1997,84(2): 145～152.
