these apparently excitatory effects of nicotine ( 800 microm ) could be reversed by bath-application of gamma-aminobutyric acid ( gaba ; 400 microm ) , as well as by the gaba uptake inhibitor nipecotic acid ( 5 mm ) and the benzodiazepine flurazepam ( 4 microm ) .
C0005064
benzodiazepine
C0016375
flurazepam