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File:Photoplethysmograph - Biofeedback HRV with ear sensor.jpg
From WikiMD's Food, Medicine & Wellness Encyclopedia
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Original file (4,955 × 3,273 pixels, file size: 950 KB, MIME type: image/jpeg)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:19, 19 May 2015 | 4,955 × 3,273 (950 KB) | MarkJohnDave | {{Information |Description ={{en|1=USB Dongle "Stone" heart rate variability biofeedback device with connected ear sensor.}} |Source =www.thebiofeedback.com |Author =MarkJohnDave |Date =2015-05-19 |Per... |
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- File:Photoplethysmograph - Biofeedback HRV with ear sensor.jpg from Wikimedia Commons
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