Blue as an Underrated Alternative to Green: Photoplethysmographic Heartbeat Intervals Estimation under Two Temperature Conditions.

Sensors (Basel) · 2021 · PMC8233784 · PMID 34205706

Europe PMC DOI

hedged sentence

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closest p

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boldest claim

The sentences

might not be significantno p-value reported

Secondly, the difference in the penetration depth between the green and blue light might not be significant because both wavelengths reach only the upper part of the reticular dermis.

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