“…The DEQ has been used with a wide range of substances. Some examples include alcohol (King et al , 2011, Reed et al , 2012), alprazolam (Evans and Levin, 2002), amphetamine (Dlugos et al , 2011, Hamidovic et al , 2010), baclofen (Evans and Bisaga, 2009); buprenorphine and methadone (Comer et al , 2005a), cocaine and lidocaine (Fischman et al , 1983), heroin (Comer et al , 2005b), methamphetamine (Johnson et al , 2005), MDMA (Harris et al , 2002), morphine (Webster et al , 2011), nicotine (Sofuoglu et al , 2012), nitrous oxide (Zacny and Jun, 2010), oxycodone (Webster et al , 2012), pentobarbital (Cole-Harding and de Wit, 1992), and tetrahydrocannabinol (Phan et al , 2008, Wachtel and de Wit, 2000). …”