CLOUDCOVER

Torrey, Trisha. “How the 4 Levels of Medical Care Differ.” Verywell Health, Verywell Health,

        22 Nov. 2019, https://www.verywellhealth.com/primary-secondary-tertiary-and-

        quaternary-care-2615354.

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“Severe Bleeding: First Aid.” Mayo Clinic, Mayo Foundation for Medical Education and

        Research, 19 Oct. 2017, www.mayoclinic.org/first-aid/first-aid-severe-

        bleeding/basics/art-20056661.

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Harvard Health Publishing. “Emergencies and First Aid - Direct Pressure to Stop Bleeding.”

        Harvard Health, www.health.harvard.edu/staying-healthy/emergencies-and-first-aid-

        direct-pressure-to-stop-bleeding.