[1]
Privado, M.S., Issy, A.M., Lanchote, V.L., Garcia, J.B.S. and Sakata, R.K. 2010. Epidural versus intravenous fentanyl for postoperative analgesia following orthopedic surgery: randomized controlled trial. São Paulo Medical Journal. 128, 1 (Jan. 2010), 5–9.