title: Instability of symptoms in recurrent major depression.
authors.forename: Michael H
authors.initials: MH
authors.lastname: Allen
authors.forename: Cheryl A
authors.initials: CA
authors.lastname: Chessick
mesh_terms: D001008:Anxiety Disorders / Q000175:diagnosis / Q000453:epidemiology / Q000523:psychology; D001714:Bipolar Disorder / Q000175:diagnosis / Q000523:psychology; D015897:Comorbidity; D003866:Depressive Disorder / Q000175:diagnosis / Q000523:psychology; D003865:Major Depressive Disorder / Q000175:diagnosis* / Q000453:epidemiology / Q000523:psychology; D006801:Humans; D011446:Prospective Studies; D011569:Psychiatric Status Rating Scales / Q000706:statistics & numerical data; D011594:Psychometrics; D012008:Recurrence; D013405:Suicide / Q000523:psychology / Q000706:statistics & numerical data; D013406:Suicide, Attempted / Q000523:psychology / Q000706:statistics & numerical data