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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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Amazon.com: Nolan Care Pulse Oximeter - USA Stock - Oxygen Saturation Monitor with Fast and Accurate Heart Rate Monitor, Portable Fingertip Pulse Ox with Lanyard and Batteries : Health & Household
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Amazon.com: iProven Pulse Oximeter with Heart Rate Monitor on Fingertip, Oxygen Saturation Oximeter, Includes Batteries, Case and Lanyard (Blue) : Health & Household
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