intracarotid infusion of glycyl-l-glutamine ( gly-gln ) was shown previously to oppose the fall in the acetylcholinesterase and butyrylcholinesterase contents of the cat superior cervical ganglion ( scg ) that otherwise follows preganglionic denervation .
C0001044
acetylcholinesterase
C0008429
butyrylcholinesterase