1. Ministry of Internal Affairs and Communications (2012). (Retrieved 25 Feb 2015). http://www.fdma.go.jp/neuter/topics/houdou/h25/2512/251218_1houdou/01_houdoushiryou.pdf (In Japanese).
2. Importance of emergency transport for patients with acute cardiac failure: the relationship between arrival time at hospital and short-term prognosis;Kosaka;ICU CCU,2010
3. Call-to-needle times for thrombolysis in acute myocardial infraction in Victoria;Kelly;Med J Aust,2003
4. On-scene time and outcome after penetrating trauma: an observational study;Kamila;Emerg Med J,2011
5. Worrisome phenomenon of EMS system in metropolitan areas—the ambulance times from call to hospital are prolonged;Kohama;JJSEM,2007