The safety and efficacy of fentanyl iontophoretic transdermal system compared with morphine intravenous patient-controlled analgesia for postoperative pain management: an analysis of pooled data from three randomized, active-controlled clinical studies.
Viscusi ER, Siccardi M, Damaraju CV, Hewitt DJ, Kershaw P. The safety and efficacy of fentanyl iontophoretic transdermal system compared with morphine intravenous patient-controlled analgesia for postoperative pain management: an analysis of pooled data from three randomized, active-controlled clinical studies. Anesth Analg. 2007 Nov; 105(5):1428-36, table of contents.