RavindranA.V., BialikR.J., LapierreY.D.Therapeutic efficacy of specific serotonin reuptake inhibitors (SSRIs) in dysthymia.Can J Psychiatry1994; 39(1): 21 -26.
2.
MazmanianD., SharmaV., PersadE.Development and validation of a scale for rating mood states of psychiatric inpatients.Hosp Community Psychiatry1994; 45: 38–242.