1. Angst J, Gamma A, Sellaro R, et al. (2002) Toward validation of atypical depression in the community: results of the Zurich cohort study. J Affect Disord 72:125–138
2. Barnett V (1986) Elements of Sampling Theory. London: Hodder and Stoughton, p 42–44
3. Barton T, Mutiti A (1998) Northern Uganda Psycho-Social Needs Assessment. Kampala: Marianum Press
4. Bebbington P (1990) Population surveys of psychiatric disorder and the need for treatment. Soc Psychiatry Psychiatr Epidemiol 25:33–40
5. Beck A, Steer R (1987) Beck Depression Inventory. Manual. Harcourt Brace Jovanovich, Inc