To construct a recombinant strain of Listeria monocytogenes for the expression of heterologous genes, homologous recombi......

将成年日本大耳兔的胫神经在液态氮中保存４周或４０周，经反复冰冻、融解５次后移植至Ｗｉｓｔａｒ大白鼠的坐骨神经中。异种神经移植术后８、１２、２４周可观察到......