One to one to what

Christopher W. Snyder, Jordan A. Weinberg, Gerald McGwin, Sherry M. Melton, Richard L. George, Donald A. Reiff, James M. Cross, Jennifer Hubbard-Brown, Loring W. Rue, Jeffrey D. Kerby, The relationship of blood product ratio to mortality: survival benefit or survival bias? Journal of Trauma-injury Infection and Critical Care. ,vol. 66, pp. 358- 364 ,(2009) , 10.1097/TA.0B013E318196C3AC

Jeffry L. Kashuk, Ernest E. Moore, Jeffrey L. Johnson, James Haenel, Michael Wilson, John B. Moore, C Clay Cothren, Walter L. Biffl, Anirban Banerjee, Angela Sauaia, Postinjury life threatening coagulopathy: is 1:1 fresh frozen plasma:packed red blood cells the answer? Journal of Trauma-injury Infection and Critical Care. ,vol. 65, pp. 261- 271 ,(2008) , 10.1097/TA.0B013E31817DE3E1

Beth H. Shaz, Christopher J. Dente, Jeffrey Nicholas, Jana B. MacLeod, Andrew N. Young, Kirk Easley, Qiang Ling, Robert S. Harris, Christopher D. Hillyer, Increased number of coagulation products in relationship to red blood cell products transfused improves mortality in trauma patients Transfusion. ,vol. 50, pp. 493- 500 ,(2010) , 10.1111/J.1537-2995.2009.02414.X

Gregory A. Watson, Jason L. Sperry, Matthew R. Rosengart, Joseph P. Minei, Brian G. Harbrecht, Ernest E. Moore, Joseph Cuschieri, Ronald V. Maier, Timothy R. Billiar, Andrew B. Peitzman, Fresh frozen plasma is independently associated with a higher risk of multiple organ failure and acute respiratory distress syndrome Journal of Trauma-injury Infection and Critical Care. ,vol. 67, pp. 221- 230 ,(2009) , 10.1097/TA.0B013E3181AD5957

John B. Holcomb, Charles E. Wade, Joel E. Michalek, Gary B. Chisholm, Lee Ann Zarzabal, Martin A. Schreiber, Ernest A. Gonzalez, Gregory J. Pomper, Jeremy G. Perkins, Phillip C. Spinella, Kari L. Williams, Myung S. Park, Increased plasma and platelet to red blood cell ratios improves outcome in 466 massively transfused civilian trauma patients Annals of Surgery. ,vol. 248, pp. 447- 456 ,(2008) , 10.1097/SLA.0B013E318185A9AD

James E. Mace, Christopher E. White, John W. Simmons, Matthew A. Borgman, Jeremy G. Perkins, Martin A. Schreiber, Phillip C. Spinella, Charles E. Wade, Lorne H. Blackbourne, High plasma to RBC ratio improves survival based on mechanism of combat injury in massively transfused patients Journal of the American College of Surgeons. ,vol. 209, pp. S47- ,(2009) , 10.1016/J.JAMCOLLSURG.2009.06.109