Increased intensity of Ecstasy and polydrug usage in the more experienced recreational Ecstasy/MDMA users: a WWW study
AB Scholey, AC Parrott, T Buchanan, TM Heffernan… - Addictive …, 2004 - Elsevier
Subjective ratings of prospective memory deficits in MDMA ('ecstasy') users
TM Heffernan, J Ling, AB Scholey - … : Clinical and Experimental, 2001 - Wiley Online Library