1. Department of Health (2001) Mental health policy implementation guide: Adult acute in-patient care provision. London: Department of Health. Available: http://www.dh.gov.uk/prod_consum_dh/groups/dh_digitalassets/@dh/@en/documents/digitalasset/dh_4069194.pdf.
2. Sainsbury Centre for Mental Health (SCMH) (2006) The search for acute solutions: Improving the quality of care in acute psychiatric wards. London: Sainsbury Centre for Mental Health. Available: http://www.centreformentalhealth.org.uk/pdfs/Search_for_Acute_solutions.pdf.
3. Individual music therapy for depression: Randomised controlled trial;J Erkillä;Br J Psychiatry,2011
4. Dose-Response relationship in music therapy for people with serious mental disorders: Systematic review and meta-analysis;C Gold;Clin Psychol Rev,2009
5. Music therapy for depression (Review);A Maratos;Cochrane Database Syst Rev 2008,2008