the schaffer collateral-commissural population spike in area ca1 was depressed by ( - ) -baclofen ( ec50 = 2.8 microm ) , gaba ( ec50 = 2.2 mm ) and 3-aminopropanesulphonic acid ( 3-aps ) ( ec50 = 0.34 mm ) .
C0004609
baclofen
C0016904
gaba