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Pulse oximeters: FDA panel examines evidence that devices may not work as well on dark skin | CNN
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Pulse Oximeter: How to use a Pulse Oximeter? A Step-by-Step guide | - Times of India
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Pulse Oximeter Accuracy: What to Know - GoodRx
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What's a Pulse Oximeter, and Do I Really Need One at Home? - The New York Times
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Why inaccuracies with pulse oximeters were ignored for so long
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