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Amazon.com: 2 Pack Pulse Oximeter Fingertip Blood Oxygen Saturation Monitor and Heart Rate Monitors/Oxygen Meter Finger Pulse Oximeter : Health & Household
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Finger Pulse Oximeter Blood Oxygen Saturation SpO2 Heart Rate O2 Monitor CE - LED - Blue, New - Walmart.com
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Amazon.com: Finger Pulse Oximeter, (SpO2) Blood Oxygen Saturation Monitor with Pulse Rate Measurements and Pulse Bar Graph, Digital Reading LED Display : Health & Household
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Electronics | Free Full-Text | Development of a Low-Cost Pulse Oximeter for Taking Medical-Scientific Parameters to Monitor Remote Patients
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