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Amazon.com: CONTEC LED CMS50M Pulse Oximeter,SpO2 and PR Value Waveform Blood Oxygen, Neck/Wrist Cord : CONTEC: Health & Household
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Amazon.com: CONTEC Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor For Small Finger PR Value Waveform Oxygen Monitor with lanyard : Health & Household
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Contec CMS50DL Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor (SpO2) with Pulse Rate Measurements and Bar Graph, Digital LED Display, Blue - Newegg.com
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