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Continue to ChatAn Improved Method for Dual-Wavelength Photoplethysmography with the Ability to Extract Time Difference Features - https://avesis.ktu.edu.tr/publication/details/a7e9f5ff-7bf1-4e79-aaae-e6317e41263e/an-improved-method-for-dual-wavelength-photoplethysmography-with-the-ability-to-extract-time-difference-features