63,Bracken MB, Shepard MJ, Holford TR et al. Administration of methylprednisolone for 24or 48 hours or tirilazad mesylate for 48 hours in the treatment of acute spinal cordinjury:Results of the 3rd national acute spinal cord injury randomized controlled trial[J].JAMA, 1997;277(20): 1 597~1 604
1999-11-26收稿2000-03-09修回