aminooxyacetic acid ( aoaa ; 20 and 40 mg/kg ) , baclofen ( 15 and 20 mg/kg ) , gamma-hydroxybutyric acid ( ghba ; 250 mg/kg ) and gamma-aminobutyric acid ( gaba : 3000 mg/kg ) , administered intraperitoneally , increased the convulsive threshold in mice but to a relatively small degree .
C0004609
baclofen
C0016904
gaba