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Amazon.com: Child Pulse Oximeter, Oxygen Monitor for Kids Baby and Blood Oxygen Saturation Heart Rate Monitor with Automatic Shut-Down, One Directions OLED Display, Include 2 X AAA Batteries : Health & Household
Kothari Medical Centre - Pulse oximetry is a noninvasive and painless test that measures your oxygen saturation level, or the oxygen levels in your blood. It can rapidly detect even small changes
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