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Polarity of the first episode, clinical characteristics, and course of manic depressive illness: A systematic retrospective investigation of 320 bipolar I patients

PsychopathologyPsychiatrySystematic Retrospective InvestigationMood SymptomManic Depressive IllnessDepressionSchizophreniaMajor Depressive DisorderSocial SciencesClinical PsychiatryPsychiatric DisorderMental HealthMood SpectrumMedicineFirst EpisodePsychologyBipolar Disorder