Should you buy a pulse oximeter? | Ohio State Medical Center
Pulse Oximeter: Purpose, Usage, and Readings
Decoding pulse oximeters: Does it provide an accurate reading? Here's what you need to know - The Economic Times
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Amazon.com: Easy@Home Fingertip Pulse Oximeter (Not for Medical Use) - SpO2 Blood Oxygen Saturation Meter and Heart Rate Monitor -EHP050 : Health & Household
British Journal of Community Nursing - Measuring oxygen saturation in homecare