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Amazon.com: Easy@Home Fingertip Pulse Oximeter SpO2 Blood Oxygen Saturation Meter and Heart Rate Monitor, Rotatable OLED Display with Batteries Included, Portable Lanyard and Carrying Package-EHP035 : Health & Household
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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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