Optimal preoperative assessment of the geriatric surgical patient: a best practices guideline from the American College of Surgeons National Surgical Quality Improvement Program and the American Geriatrics Society
J Am Coll Surg. 2012 Oct;215(4):453-66.
doi: 10.1016/j.jamcollsurg.2012.06.017.
Epub 2012 Aug 21.