Kagaya, Yu Regional Oxygen Saturation Index: A Novel Criterion for Free Flap Assessment Using Tissue Oximetry. [electronic resource] - Plastic and reconstructive surgery 05 2017 - 1213e-1214e p. digital Publication Type: Letter; Comment ISSN: 1529-4242 Standard No.: 10.1097/PRS.0000000000003313 doi Subjects--Topical Terms: Free Tissue FlapsHumansOximetryOxygenSpectroscopy, Near-Infrared