Expression changes of brain-derived neurotrophic factor, nerve growth factor, neurotrophin-3 and neurotrophin-4 in spinal cord ventral horn neurons following hemitransected spinal cord injury

• 脊髓半横断损伤后腹角神经元神经生长因子、脑源性神经营养因子、神经营养因子-3和神经营养因子-4表达的变化