Bowden, C L A randomized, placebo-controlled 12-month trial of divalproex and lithium in treatment of outpatients with bipolar I disorder. Divalproex Maintenance Study Group. [electronic resource] - Archives of general psychiatry May 2000 - 481-9 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0003-990X Standard No.: 10.1001/archpsyc.57.5.481 doi Subjects--Topical Terms: Ambulatory CareAntimanic Agents--adverse effectsBipolar Disorder--drug therapyDouble-Blind MethodDrug Administration ScheduleFollow-Up StudiesHumansLithium Carbonate--adverse effectsPlacebosPsychiatric Status Rating Scales--statistics & numerical dataSecondary PreventionStatistics, NonparametricSurvival AnalysisTreatment OutcomeValproic Acid--adverse effects