the local application of adenosine or adenosine monophosphate by microiontophoresis in the cortex was found to produce a reduction of the evoked inhibition if the purine application was begun 20 sec before lc stimulation , but an enhancement of the inhibition if applied up to 35 sec after the lc stimulation .
C0001443
adenosine
C0001465
adenosine monophosphate