Perioperative ComplicationsAssociation of the Pattern of Use of Perioperative β-Blockade and Postoperative MortalitySurvey of Anesthesiology 55(4):p 189-191, August 2011. | DOI: 10.1097/01.SA.0000398866.62109.e9 Buy Metrics Copyright © 2011 Wolters Kluwer Health, Inc. All rights reserved.