1. Badrakalimuthu, V.R.
,
Rumball, D.
and
Wagle, A.
(2010), “Drug misuse in older people: old problems and new challenges”, Advances in Psychiatric Treatment, Vol. 16 No. 6, pp. 421-9.
2. Burns, R.M.
,
Caulkins, J.P.
,
Everingham, S.S.
and
Kilmer, B.
(2013), “Statistics on cannabis users skew perceptions of cannabis use”, Frontiers in Psychiatry, Vol. 4 No. 138, pp. 1-10.
3. EMCDDA
(2013), “European drug report, trends and developments”, available at: www.emcdda.europa.eu/attachements.cfm/att_213154_EN_TDAT13001ENN1.pdf (accessed 19 December 2013).
4. Gates, P.
,
Copeland, J.
,
Swift, W.
and
Martin, G.
(2012), “Barriers and facilitators to cannabis treatment”, Drug and Alcohol Review, Vol. 31 No. 3, pp. 311-9.
5. Home Office
(2013), “Drug misuse: findings from the 2012/13 crime survey for England and Wales”, available at: www.gov.uk/government/uploads/system/uploads/attachment_data/file/225122/Drugs_Misuse201213.pdf (accessed 20 November 2013).