all benzodiazepines used in this study ( diazepam , chlordiazepoxide , bromazepam , flurazepam , medazepam , nitrazepam , oxazepam , oxazolazepam , lorazepam , estazolam and triazolam ) were administered into the duodenum via a rubber tube implanted previously .
C0005064
benzodiazepines
C0008188
chlordiazepoxide