AU - Holcomb JB, del Junco DJ, Fox EE, et al TI - The prospective, observational, multicenter, major trauma transfusion (prommtt) study: Comparative effectiveness of a time-varying treatment with competing risks PT - JOUR DP - 2013 TA - JAMA Surgery pages = {127-136}, VI - 148 IP - 2 AID - 10.1001/2013.jamasurg.387 [doi] 4100 - http://dx.doi.org/10.1001/2013.jamasurg.387 SO - JAMA Surgery February 1, 2013 148(2):127