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Amazon.com: Zacurate 500BL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Batteries and Lanyard Included (Navy Blue) : Health & Household
Penn Medicine Study: Pulse Oximeters Did Not Change Outcomes for Patients in COVID-19 Monitoring Program - Penn Medicine
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Coronavirus FAQs: What Is A Pulse Oximeter? Why Are So Many People Buying One? : Goats and Soda : NPR
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What is a pulse oximeter and can I still buy one in Australia? Demand for devices climbs as more people manage Covid at home | Health | The Guardian
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