what drug class is xanax and valium is valium a long acting benzo

What drug class is xanax and valium, is valium a long acting benzo

what drug class is xanax and valium ==> what drug class is xanax and valium
what drug class is xanax and valium can a drug test tell the difference between xanax and valium is valium a long acting benzo what drug class is xanax and valium