separate groups of gerbils were trained in a t-maze to discriminate between either : ( 1 ) the 1,4-benzodiazepine ro 11-6896 ( 1 mg/kg ) , ( 2 ) chlordiazepoxide ( 25 mg/kg ) or ( 3 ) ethanol ( 2,000 mg/kg ) and vehicle .
C0005064
benzodiazepine
C0008188
chlordiazepoxide