Randomized Controlled Trial
Superior postoperative pain relief with thoracic epidural analgesia versus intravenous patient-controlled analgesia after minimally invasive pectus excavatum repair.
J. Thorac. Cardiovasc. Surg. 2007 Oct 1;134(4):865-70.
Randomized Controlled Trial
The efficacy of intravenous patient-controlled remifentanil versus morphine anesthesia after coronary artery surgery.
J. Cardiothorac. Vasc. Anesth. 2009 Apr 1;23(2):170-4.
Meta Analysis
System-related events and analgesic gaps during postoperative pain management with the fentanyl iontophoretic transdermal system and morphine intravenous patient-controlled analgesia.
Anesth. Analg. 2007 Nov 1;105(5):1437-41, table of contents.