Randomized Controlled Trial
Effects of extended-release metoprolol succinate in patients undergoing non-cardiac surgery (POISE trial): a randomised controlled trial.
Lancet. 2008 May 31;371(9627):1839-47.
Randomized Controlled Trial
Bisoprolol reduces cardiac death and myocardial infarction in high-risk patients as long as 2 years after successful major vascular surgery.
Eur. Heart J.. 2001 Aug 1;22(15):1353-8.
Randomized Controlled Trial
Bisoprolol and fluvastatin for the reduction of perioperative cardiac mortality and myocardial infarction in intermediate-risk patients undergoing noncardiovascular surgery: a randomized controlled trial (DECREASE-IV).
Ann. Surg.. 2009 Jun 1;249(6):921-6.