TY  - JOUR 
T1  - Epidural versus intravenous fentanyl for postoperative analgesia following orthopedic surgery: randomized controlled trial
JO  - Sao Paulo Medical Journal
A1  - Privado, Marcelo Soares
A1  - Issy, Adriana Machado
A1  - Lanchote, Vera Lucia
A1  - Garcia, João Batista Santos
A1  - Sakata, Rioko Kimiko
SN  - 1516-3180
UL  - 10.1590/S1516-31802010000100002
VL  - 128 
Y1  - 2010
PB  - Brazil 
ER  -