Hendriks V, van den Brink W, Blanken P, Bosman I, van Ree J (2001). Heroin self-administration by means of ‘chasing the dragon’: pharmacodynamics and bioavailability of inhaled heroin. European Neuropsychopharmacology. 11: 241-252.
Morgan PT, Pace-Schott EF, Sahul ZH, Coric V, Stickgold R, Malison RT (2006). Sleep, sleep-dependent procedural learning and vigilance in chronic cocaine users: Evidence for occult insomnia. Drug and Alcohol Dependence. 82: 238-249.
Pace-Schott E, Morgan T, Robert T, Hart C, Edgar C, Walker M, Stickgold R (2008). Cocaine users differ from normals on cognitive tasks which show poorer performance during drug abstinence. The American Journal of Drug and Alcohol Abuse. 34: 109–121.
Pace-Schott EF, Stickgold R, Muzur A, Wigren PE, Ward AS, Hart CL, Walker M, Edgar C, Hobson JA (2005). Cognitive performance by humans during a smoked cocaine binge-abstinence cycle. The American Journal of Drug and Alcohol Abuse. 31: 571-591.
Parrott AC, Lees A, Garnham NJ, Jones M, Wesnes KA (1998). Cognitive performance in recreational users of MDMA of 'ecstasy': evidence for memory deficits. Journal of Psychopharmacology. 12: 79-83.
Silber BY, Croft RJ, Papafotiou K, Stough C (2006). The acute effects of d-amphetamine and methamphetamine on attention and psychomotor performance. Psychopharmacology 187: 154-169.
Stough C, King R, Papafotiou K, Swann P, Ogden E, Wesnes K, Downey L A (2012) The acute effects of 3,4-methylenedioxymethamphetamine and d-methamphetamine on human cognitive functioning. Psychopharmacology 220: 799-807.