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Amazon.com: Pulse oximeter fingertip with Plethysmograph and Perfusion Index, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oximetro, (Black-White) : Health & Household
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Finger Pulse Oximeter Blood Oxygen Saturation SpO2 Heart Rate O2 Monitor CE - LED - Oximeterdigital-thermometer, New - Walmart.com
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