File:PPG.png

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PPG.png(570 × 353 pixels, file size: 83 KB, MIME type: image/png)

Photoplethysmography principle by smartphone

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current21:03, 4 May 2021Thumbnail for version as of 21:03, 4 May 2021570 × 353 (83 KB)A1702270 (talk | contribs)
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