1 rcumvent laws regulating the sale and use of controlled substances.

2 o restrict the prescribing and dispensing of controlled substances.

3 for the quantitation of these representative controlled substances.

4  that is permitted and secured for work with controlled substances.

5 porary methods of screening and quantitating controlled substances and therapeutic drugs in biofluids

6  drugs for determining illegal possession of controlled substances by law enforcement relies solely o

7 light of the chronic problem of abuse of the controlled substance cocaine, we have investigated novel

8 (CFCs) and hydrochlorofluorocarbons (HCFCs), controlled substances due to their role in stratospheric

9                   Having prescriptions for a controlled substance from 5 or more clinicians in the ye

10 iption and having received prescriptions for controlled substances from 5 or more clinicians during t

11                                  Adoption of controlled-substance laws was not associated with reduct

12      From 2006 through 2012, states added 81 controlled-substance laws.

13 etween prescription-opioid receipt and state controlled-substances laws.

14 in, but are becoming the most widely misused controlled substance nationally.

15 atic ecosystem corresponded to illicit drugs/controlled substances such as ketamine and MDMA, indicat

16       The act criminally punishes the use of controlled substances to cause-or assist in causing-a pa

17 GC) was assembled for the trace detection of controlled substances using a novel quartz crystal micro

18  and detection of submicrogram quantities of controlled substances was carried out within minutes by

19 rent narcolepsy pharmacotherapeutics include controlled substances with abuse potential or drugs with