Allen, Michael H Instability of symptoms in recurrent major depression. [electronic resource] - The American journal of psychiatry Feb 2005 - 403; author reply 403-4 p. digital Publication Type: Comment; Letter ISSN: 0002-953X Standard No.: 10.1176/appi.ajp.162.2.403 doi Subjects--Topical Terms: Anxiety Disorders--diagnosisBipolar Disorder--diagnosisComorbidityDepressive Disorder--diagnosisDepressive Disorder, Major--diagnosisHumansProspective StudiesPsychiatric Status Rating Scales--statistics & numerical dataPsychometricsRecurrenceSuicide--psychologySuicide, Attempted--psychology