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Happy hypoxia in COVID-19: pathophysiology and pulse oximetry accuracy | Journal Of Paramedic Practice
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Amazon.com: Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor Pulse Ox, Heart Rate and Fast Spo2 Reading Oxygen Meter with OLED Screen Included Lanyard and 2 X AAA Batteries : Health & Household
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Have nail art, gel paint or dark nail polish? Remove them before taking oximeter reading, say doctors - Times of India
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