Tang, Yufei Relationship Between Accelerometer-Measured Activity and Self-Reported or Performance-Based Function in Older Adults with Severe Aortic Stenosis. [electronic resource] - Current geriatrics reports Dec 2015 - 377-384 p. digital Publication Type: Journal Article ISSN: 2196-7865 Standard No.: 10.1007/s13670-015-0152-7 doi