1. NHS Scotland: Information and statistics division.http://www.isdscotland.org/,
2. Information Services Division Scotland: Prescribing statistics - medicines used in mental health.http://www.isdscotland.org/Publications/index.asp,
3. Power MJ: Mood disorders: a handbook of science and practice. 2004, Chichester: Wiley
4. World Health Organization.http://www.who.int/mental_health/management/depression/en/,
5. Kohn R, Saxena S, Levav I, Saraceno B: The treatment gap in mental health care. Bull World Health Organ. 2004, 82: 811-890.