Patients' Assessment of the Convenience of Fentanyl HCl Iontophoretic Transdermal System (ITS) Versus Morphine Intravenous Patient-Controlled Analgesia (IV PCA) in the Management of Postoperative Pain After Major SurgeryPeg Pennington, Winnie W. Nelson, Jeff Schein et al.|Pain Management Nursing|2008Cited by 22