TY  - JOUR 
T1  - Ximelagatran versus warfarin for prophylaxis of venous thromboembolism in major orthopedic surgery: systematic review of randomized controlled trials
JO  - Sao Paulo Medical Journal
A1  - Yoshida, Winston Bonetti
A1  - El Dib, Regina Paolucci
A1  - Yoshida, Ricardo de Alvarenga
A1  - Maffei, Francisco Humberto de Abreu
SN  - 1516-3180
UL  - 10.1590/S1516-31802006000600012
VL  - 124 
Y1  - 2006
PB  - Brasil 
ER  -