1. Beck AT, Rush AJ, Shaw BF, Emery G: Cognitive Therapy of Depression Guilford, New York, 1979
2. Clarkin JF, Pilkonis PA, Magruder KM: Psychotherapy of depression: Implications for reform of the health care system Arch Gen Psychiatry 53:717–723, 1996
3. Delgado PL, Price LH, Heninger GR, Charney DS: Neurochemistry of affective disorders, in Paykel ES, (Ed) Handbook of Affective Disorders, Churchill Livingstone, New York, 1992, pp219-253
4. Frank E, Kupfer DJ, Perel JM, et al. Three-year outcomes for maintenance therapies in recurrent depression Arch Gen Psychiatry 47:1093–1099, 1990
5. Frank E, Kupfer DJ, Wagner EF, McEachran AB, Cornes C: Efficacy of interpersonal psychotherapy as a maintenance treatment of recurrent depression. Arch Gen Psychiatry 48:1053–1059, 1991