Johanning, Jason M Frailty and Mortality After Noncardiac Surgery in Elderly Individuals: Metrics, Systems, and the Elephant. [electronic resource] - JAMA surgery 06 2016 - 545-6 p. digital Publication Type: Journal Article; Comment ISSN: 2168-6262 Standard No.: 10.1001/jamasurg.2015.5235 doi Subjects--Topical Terms: AgedFrail ElderlyFrailtyHumansRisk FactorsSurgical Procedures, Operative