Mills, Brennen, Michella Hill, Jessica Buck, Ella Walter, Kayla Howard, Alex Raisinger, and Erin Smith. “What Constitutes an Emergency Ambulance Call?”. Australasian Journal of Paramedicine 160 (March 22, 2019). Accessed May 25, 2022. https://ajp.paramedics.org/index.php/ajp/article/view/626.