Cui, W J In vivo reflectance of blood and tissue as a function of light wavelength. [electronic resource] - IEEE transactions on bio-medical engineering Jun 1990 - 632-9 p. digital Publication Type: Journal Article ISSN: 0018-9294 Standard No.: 10.1109/10.55667 doi Subjects--Topical Terms: Blood VolumeHumansModels, BiologicalOptics and PhotonicsOximetry--methodsPlethysmography--methodsRegional Blood FlowSkin--blood supply