Methods We detected the changes of concentration of EAA,glutamate(Glu) and aspartate(Asp) at injured segment tissue after spinal cord injury.

• 方法应用高效液相色谱法检测脊髓损伤后伤段组织中谷氨酸（Glu）、天门冬氨酸（Asp）两种EAA的含量变化；