a barbiturate ( amylobarbitone , 15 mg/kg , i.p . ) and three benzodiazepines ( chlordiazepoxide , 5 mg/kg ; diazepam , 5 mg/kg ; alprazolam , 1 mg/kg ) all decreased the slope of the voltage-frequency function and decreased overall frequency of slow waves produced .
C0004745
barbiturate
C0002640
amylobarbitone