3Tam S L, Gordon T. Neuromuscular activity impairs axonal sprouting in partially denervated muscles by inhibiting bridge formation of perisynaptic Schwann cells. J Neurobiol, 2003,57:221~234.
4Koelle G B. The elimination of enzymatic diffusion artifacts in the histochemical localization of cholinesterases and a survey of their cellular distributions. J Pharmacol Exp Ther, 1951,103:153~171.