RT Journal Article SR Electronic T1 Efficacy and safety of recombinant human activated protein C for severe sepsis JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 468 OP 470 VO 46 IS 6 A1 Jeffrey Barkun A1 Nicolas V. Christou A1 , YR 2003 UL http://canjsurg.ca/content/46/6/468.abstract