![Global positioning system alerted volunteer first responders arrive before emergency medical services in more than four out of five emergency calls]()
Global positioning system alerted volunteer first responders arrive before emergency medical services in more than four out of five emergency callsSarkisian, Laura; Mickley, Hans; Schakow, Henrik; Gerke, Oke; Jørgensen, Gitte; Larsen, Mogens Lytken; Henriksen, Finn Lund · Resuscitation · 2020