What isn't working?

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In 2014-15, CAMHS Benchmarking Report 2016, NHS Benchmarking Network (2016).
DoH 2013.
Suicides in the United Kingdom, 2013 Registrations, ONS (2015).
Statistics on Alcohol, England 2016, HSCIC (2016).
Statistics on Drug Misuse, England 2016, HSCIC (2016).
Adults aged between 16 and 65, Drummond C, Pilling S, Brown A, et al. Alcohol Use Disorders: Diagnosis, Assessment and Management of Harmful Drinking and Alcohol Dependence. NICE Clinical Guideline 115: NICE (2011).
HSCIC 2016.
Changing patterns of substance misuse in adult prisons and service responses, HM Inspectorate of Prisons (2015)
Bromley Briefings Prison Factfile Autumn 2015, Prison Reform Trust (2015)