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SmartHeart Talking Pulse Oximeter | Blood Oxygen Saturation | Complete System Monitor Lanyard and Batteries | Portable Spot-Check Monitoring - Walmart.com
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Healthsmart Digital Fingertip Sport Pulse Oximeter, Fast Results, FSA Eligible, Easy-To-Read LED Display, Auto-Shutoff - Walmart.com
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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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