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Amazon.com: Roscoe Medical Finger Pulse Oximeter Oxygen Saturation Monitor - Pulse Ox Fingertip o2 Monitor for Pediatric and Adult - Sports and Aviation Use Only : Health & Household
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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,(Red-Orange) : Health & Household
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