United States. Government Accountability Office. Emergency Preparedness: State Efforts to Plan for Medical Surge Could Benefit from Shared Guidance for Allocating Scarce Medical Resources, text, January 25, 2010; (https://digital.library.unt.edu/ark:/67531/metadc290623/m1/1/: accessed April 22, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .