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Photoplethysmographs vs Photoplethysmography - What's the difference?

photoplethysmographs | photoplethysmography |

As nouns the difference between photoplethysmographs and photoplethysmography

is that photoplethysmographs is while photoplethysmography is the recording or study of photoplethysmographs.

photoplethysmographs

English

Noun

(head)

    • photoplethysmography

    English

    Noun

    (-)
  • The recording or study of photoplethysmographs.