1. Development of suicide intent scales;Beck,1974
2. Comparing genuine and simulated suicide notes: a new perspective;Black;Journal of Consulting and Clinical Psychology,1993
3. A comparison of suicide notes written by suicide completers and suicide attempters;Brevard;Crisis,1990
4. Suicide after deliberate self-harm: a 4-year cohort study;Cooper;American Journal of Psychiatry,2005
5. A National Service Framework for Mental Health: Modern Standards and Service Models;Department of Health,1999