Fingertip photoplethysmographic waveform variability and systemic vascular resistance in intensive care unit patients.
Paul M. MiddletonGregory S. H. ChanElizabeth SteelPhilip MaloufChristopher CritophGordon FlynnEmma O'LoneBranko G. CellerNigel H. LovellPublished in: Medical Biol. Eng. Comput. (2011)