5DuBose JJ, Browder T, Inaba K, et al. Effect of trauma center designation on outcome in patients with severe traumatic brain injury [J]. Arch Surg, 2008, 143 (12): 1213-1217.
6Scarborough K, Slone DS, Uribe P, et al. Reduced mortality at a community hospital trauma center: the impact of changing trauma level designation From Ⅱ to Ⅰ [J]. Arch Surg, 2008, 143 (1) : 22-27.
7Trunkey DD. History and development of trauma care in the United States [J]. Clin Orthop Ralat Res, 2000, 374 (1) : 36-46.