6Kondo Y, Toyoshima H, Yatsuya H, et al. Risk factor for first acute myocardial infarction attack assessed by cardiovascular disease registry data in Aichi Prefecture[J]. Nagoya J Med Sci. 2007, 69 (3 -4) :139 -140.
7Bell A, Lockey D, Coats T, et al. Physiean response unit a feasibility study of an initiative to enhance the delivery of pre - hospital emergency medical care[J]. Resuscitation. 2006, 69 (3) :389.