β-Blockade and Operative Mortality in Noncardiac Surgery: Harmful or Helpful?
JAMA Surgery (2015) - Comments
pubmed: 26017188  doi: 10.1001/jamasurg.2015.86  issn: 2168-6254  issn: 2168-6262 

Mark L. Friedell, Charles W. Van Way, Ron W. Freyberg, Peter L. Almenoff